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bumGenius - The NEW Elemental One-Size Cloth Diaper
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Mom's Week

Buy 5, Get 1 FREE
bumGenius 4.0
One-Size Stay-Dry Cloth Diaper

Our Price: $104.70
Sale: $86.90
Save: $17.80
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Product Description
bumGenius 4.0 One-Size Cloth Diaper
Best selling, top-rated, and recommended by moms everywhere for it’s quality and performance. One-size diaper with one-size insert keep your baby dry and comfortable.
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper
bumGenius 4.0 One-Size Cloth Diaper - Butternut
Look for our unique butterfly closure system to ensure you are getting Cotton Babies brand cloth Diapers

bumGenius 4.0 One-Size Cloth Diaper

Features:

  • Durable snap closures help keep diapers on older babies.
  • Generous sizing accommodates larger babies.
  • Easily replaceable elastic keeps your diapers fresh.
  • 3x3 snap down design* adjusts the sizing to fit small, medium and large sizes (approximately 7-35+ pounds).
  • Trim, snug and comfortable stretchy tabs* provide a custom fit.
  • Waterproof insert stopper* prevents leaking at the tummy.
  • Diapers are bundled with two inserts: a newborn insert for newborns and a one-size insert for your older baby.
  • Wide slot opening makes it easy to stuff and remove insert.
  • Slot cover* protects your baby from wetness.

All bumGenius One-Size Cloth Diapers include a small, lightweight insert for newborns and a larger one-size insert for your growing baby. When your baby outgrows the newborn insert, it works as an overnight booster or as extra absorbency for heavy wetters.

bumGenius 4.0 Snap Closure bumGenius 4.0 Hook & Loop Closure
bumGenius 4.0 Snap Closure - One-Size bumGenius 4.0 Hook % Loop Closure - One-Size

Cloth diapering has never been so easy!

bumGenius One-Size Cloth Diapers feature our patent pending butterfly closure system to provide a comfortable, trim fit. This simple design makes cloth diapering as easy as using disposables. The familiar design makes bumGenius one-size cloth diapers perfect for care providers who might be resistant to cloth diapering (including daycares).

Less Clutter

bumGenius One-Size Cloth Diapers fit most babies from 7 to 35+ pounds. No more sorting by size or having to carry multiple diapers when going out. Three snap-downs on the front of the diaper* allow you to easily adjust the size of the diaper as your baby grows. For newborns, fold down the insert stopper for an extra-small rise.

Only the Best for Your Baby

The soft, waterproof outer fabric keeps the diaper trim on your newborn and toddler. Soft, sueded inner fabric gently wicks moisture away from your baby's skin. Super stretchy, gentle leg and back elastic with rolled out casings keeps the yuk in and help to keep red marks away. Our unique covered* slot opening keeps your baby protected from moisture.

A Video Worth a Thousand Words

bumGenius demo movie What better way to see why everyone (even dad!) loves bumGenius! You will need Windows Media player to view the video. Click the size you would like to watch: small or large (Windows Media Player required).
(The yellow undies are just to cover the baby bits in the video. They are not part of the diaper.)

Product Warranty

bumGenius, Flip and Econobum products carry the best warranty in the industry. Read more about the warranty details.

Feel confident in your purchase!

The Cotton Babies Satisfaction Guarantee gives you 30 days to evaluate your purchase of most bumGenius, Flip or Econobum products. Read more about the satisfaction guarantee.

Care Instructions

Fasten hook tabs to laundry tabs on slot cover. Pre-wash cold. Wash hot (100F/40C) with bumGenius detergent. Extra rinse. No laundry additives. Line dry cover. Tumble dry insert. No fabric softeners. Use 1/4 cup or 60 mL bleach in the hot wash once per month.
U.S. Patent No. 7,629,501 and 8,062,276. Other U.S. and International patents pending.
Designed by a mom.
Covers are manufactured in the USA or Egypt.
Microfiber inserts are made in China.
bumGenius, Flip & Econobum are brands created by Cotton Babies, Inc.




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Buy 5, Get 1 FREE bumGenius 4.0 One-Size Stay-Dry Cloth Diaper Reviews (24)
Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Alysha on Tuesday 21 May, 2013
Cotton Babies Verified Purchase

I am relatively new to cloth diapering (my first is just 4 months old), but because of the bumGenius 4.0 I know I'll never go back to disposables. I haven't ever had these diapers leak, even over night and on long car trips. I'm grateful that cloth diapering can be so easy and I can feel good about helping the environment while saving money.

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Bianca on Monday 13 May, 2013
Cotton Babies Verified Purchase

After cloth diapering 3 boys I know now the best is Bum Genius! Never failed me. I have tried many, many diapers, systems and combinations. This is by far the best diaper. It holds up, never leaks, and looks great years later. Perfect for the diaper bag, over night diapering too. LOVE! I even put Dazzle and Oops on my baby boy :)

Rating: 4 of 5 Stars! [4 of 5 Stars!]
Reviewed by Kristine on Friday 03 May, 2013

I have never written a review for these before. But, I really appreciate reading reviews from experienced users because I think that they are the most reliable. So, now that I have been using these diapers for over three years, I just wanted to share with cloth diaper-searchers out there, that this is the diaper they should pick! I am using the diapers on my third baby now and they are still going strong. In the first year, hardly ever a leak. In the third year, they pretty consistently leak a little out the sides on the newborn. It is very little and doesn't bother on a newborn since I change his onesie with spit-up every time I change a diaper anyway. They are very reliable. The velcro kind (hook and loop) do wear faster and I have to put pants on my baby to get them to stay on. But the snap version is excellent. I have saved so much from getting these diapers. I spent about $500 on cloth diapering three years ago and I get disposables for travel or nighttime wetting with my older toddler (the old version doesn't fit the bigger kids well). I am glad I purchased them. I have had a lot of cloth diapering success!

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Justin on Saturday 04 August, 2012
Cotton Babies Verified Purchase

We have been useing these diapers now for 6+ monthes. We loove them! At first CDing was abit scary since only 1 other family we knew at the time used them, and reccomended these. I tried others as well but we ended up getting rid of them and getting more 4.0's. Our daughter blew out diapers left and right when we used disposables, and we found only one brand that didn't give her a rash. She hasnt had a rash since Cding.

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Jeannie on Friday 20 July, 2012

They are amazing. Even though im new and they look a little bulky compared to . But could just be how im stuffing it. my toddler (17 month) daughter loved being put in one of these for the first time today. So far no leak and he's been in it 2 Hrs. And it still feels extremely dry! I love it! Definitely buying more.

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Linzie on Thursday 05 July, 2012

These are the absolute best diapers! I can not say enough good things about them. When i was pregnant I decided right away to do cloth diapers to save money in our house and my neighbor was already using this style. However I initially ordered the freetime diaper and after 1 use realized they were far to bulky on my newborns little booty and skinny legs. I immediatly sent them back and exchanged them for this style due to the fact that you can stack/unstack the inserts to suit your own absorbancy needs and reduce bulk. love love love them!

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Megan on Wednesday 04 July, 2012
Cotton Babies Verified Purchase

The bumGenius 4.0 one-size stay dry diaper are the favorite in our house! After trying a few other brands we discovered very quickly that these were the absolute best diaper! We have not had any leaks, they are not too bulky, they are soft, easy to wash and come in cute colors! I recommend these diapers to all of my friends and if anyone is going through the reviews trying to decide if this is the diaper they should go with I say YES!

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Rebecca on Thursday 07 June, 2012
Cotton Babies Verified Purchase

We've been using these since they first came out with 4.0 version; I currently diaper a 2.5 year old and a 13 month old with these and have sampled many different cloth diapers. They are my favorite diaper by far. Yes, the stuffing (and unstuffing when they're poopy!) is kind of a drag, but being able to adjust the absorbancy with different inserts is the most effective way to cloth diaper if you're not going to use a prefold + cover. These diapers never leak; they are dry against the skin; they fit young babies, older babies, toddlers, and up; they have held up to at least twice weekly washing for two years for me. My babies can't undo the snaps. They don't cut into skin. They are cute. I could go on . . . I also use elementals, which I like, but aren't as versatile for different size/age babies and fall apart more quickly. One last note, if you want use diapers for multiple years/babies get the snaps, not velcro!

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Molly on Friday 01 June, 2012
Cotton Babies Verified Purchase

I'm reviewing these again because I just can't say enough great things about them! We started cloth diapering my second son a year ago (he was 14 months at the time). My daughter was born 6 months ago and we've been cloth diapering her almost from the beginning--just a few weeks of disposables. I still feel the same way about these diapers after a year; they're so wonderful and they hold up really well, too. I did have to replace the hook-and-loop closures on the original 12 I bought, but they lasted 8 months without needing to be touched. Now we use the snaps (and we're still using the hook-and-loops), and I still really like them. The only thing I would make a note of is that you will probably have to alter your washing routine slightly as their poop changes. We started with a child who was having solid poops--these came out clean quite easily. Then we began diapering a breast-fed baby months back and I found those to be much harder to get completely clean. There are days that I need to give them a third wash. We came from using the cheapest possible disposables and moved into using the 4.0's (some of the pricier ones out there) and it is COMPLETELY worth the switch! It's still far cheaper to have to wash the diapers in three cycles a day then to use disposable diapers and wipes. If you're just not sure, I say go for it!

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Lindsey on Thursday 20 October, 2011
Cotton Babies Verified Purchase

I have tried so many diapers out there - even many WAHM's but BumGenius is hands down better then any diaper I have tried!! They NEVER leak. Ever. Every other diaper has leaked or had major wicking problems. I am really excited for their new prints and absolutely love the new colors!!

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Nicole on Thursday 20 October, 2011

After much trepidation and a ton of research, I broke down and purchased the 4.0 bumgenius diapers in April. And I am so glad I did! We have saved a ton of money on diapers. We had 3 kids in diapers at one point, (down to 2 now thankfully!). We don't have any issues with leaks. I have found that if I line with fleece liners, baby bottoms stay very dry. Only time I have leaks is the morning, as my babies sleep 12 hours or so. I double up with hemp liners and that helps some. Diaper rash is gone. I must say that I still have a hard time with cleaning poopy diapers.... but I'll get over it. I purchased the snaps, and while I liked them at first and thought they would last longer, they are harder to use on a wiggle worm, and when they are in between sizes. My husband can't seem to get them tight enough. So I am going to be buying another dozen in velcro to supplement.

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Molly on Saturday 01 October, 2011
Cotton Babies Verified Purchase

I have two children--my first one wore disposables until he was potty trained, the second one wore disposables until a few months ago. When we found out we were expecting our third child, we decided to give cloth diapering a try on our second son to see how we felt about it. After months of using the 4.0's, the verdict is that we LOVE it! I'll admit that it's a bit disheartening when the inserts start to get a little dingy looking, but what can you expect when your child pees and poops on them every other day?! The sun does an excellent job getting them nice and white, and the outers never stain. We only have leaks at night...our son is a VERY VERY heavy wetter, and even with the doubler, we just can't seem to keep his wetness contained (though it's not every night, so it's still cheaper to wash his jammies than to buy a small amount of disposables). Other than that, we haven't had any problems. My husband and I both agree that it is not ANY more burdensome than changing a disposable...the poopies take a little more effort, but changing poopy disposables is not exactly fun, either! Plus, I think parents get this idea in their heads that every diaper you change is poopy--not true. Most are just wet. Also, with this deal, it probably takes about 4-5 months to pay-back your investment when comparing to the price of disposables. WELL worth it, and it's so nice not having to have much of a diaper budget any more! I definitely recommend this product!!!!

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Penny on Wednesday 24 August, 2011
Cotton Babies Verified Purchase

I am new to cloth diapering and absolutely love these diapers. My daughter is 3 months old and we started with BG 4.0 when she came home from the hospital. I was afraid of allergies to disposable with history of it in my family so had decided early to cloth diaper. ( after 9 years of research I decided on BG). I have 21 diapers and wash diapers about every other day now. ( we also travel quite a bit through the summer and I have used cloth diapers while traveling as well. (hint: double stuff a diaper for long trips))My daughters clothes fit fine over the diaper (some bottoms I had to go a size up when she was younger, but not now) I used Arm and Hamer clear originaly and now use Nelly's to wash the diapers in. By the way, my husband also absolutly loves these diapers. They are easy enough for him to change and to do the laundry. I love the buy 5 get one free offer. That is how I got most of my diapers. ( I recommend reading through all the comments - good and bad and compare. Some had problems with laundry and other things- so far I have been pleased.)

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Amber on Friday 05 August, 2011
Cotton Babies Verified Purchase

By far my FAVORITE diaper! Can I just tell you, I started with a 6 of these, a few Flips & a few Econobums & these are the BEST! These are the only ones that fit my baby's small thighs. She is almost 2 months old & the other diapers just don't work well & have come darn close to having blowouts. I LOVE how easy it is to remove the insert & clean the diaper. I have had the least amount of stains with these diapers. BumGenius diapers are so close to a disposable & almost as trim; definitely not as bulky as the Econobums. I just bought 12 more b/c I am so pleased with this diaper! Don't waste your money on the other stuff...these are well worth the price! Amazing! LOVE THEM!!!

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Mira on Monday 01 August, 2011
Cotton Babies Verified Purchase

I love the bumGenius 4.0 diapers. I originally started with a few 2nd from the one size velcro bumGenius but these are my go to diaper. I think they're easier to wash since I can just pull the inserts out and not have to worry about turning inside out and securing velcro to laundry tabs. I love the bright colors and during the summer my daughter has been bottomless with the exception of her bumGenius 4.0. They're too pretty to cover up. I haven't had a leak and I love the 2 inserts that come with them.

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Tiffany on Friday 27 May, 2011
Cotton Babies Verified Purchase

I have to admit, I was extremely skeptical about using cloth diapers. My sister lives in St. Louis and had several friends that uses and LOVES these. I did my research, and decided since I was going to stay home with baby instead of returning to work, I would buy 12 to try out and then decide if I wanted to buy more to complete my set. I could not be happier with these! We started putting these on my son when he was a month old, but really I think he could've worn them even sooner than that since we don't even have the waists snapped at the tightest setting. Washing them is sooo easy. I have not had a single leak and my little man is a heavy wetter all the time. I do double up at night and it works perfectly! Leaking was really what I was most worried about. Also if you have a squirmy baby like mine, still get the snaps if you want. My son squirms and wiggles constantly and snapping the diaper is still a cinch. I am so happy my sister turned me on to these and I will recommend them to every mother I meet. Disposables are way too expensive and such a horrible strain on our environment.

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Meredith on Thursday 26 May, 2011

I never used cloth diapers with my other 2 children. But wanted to try them with my 3rd. I am LOVING these diapers! I am so impressed with the absorbency...no leaks and high quality materials! They are so much easier to wash than I thought! Just wash every other day. Plus, the artist series are super cute & the solid colors are darling! And my husband and I are enjoying not spending tons of $ on disposables. The earth will be cleaner!

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Dawn on Friday 29 April, 2011
Cotton Babies Verified Purchase

I NEVER thought I would be a cloth diaper person, but once I tried these, I LOVE THEM!!! So easy to use and they come clean. I rinse them out in the tub first and then do a load of laundry 3 times a week. I haven't had any stains. Once in a while a diaper will come out of the wash looking a little stained...but I hang in the sun to dry and it's gone!! My son has worn them now for a month and we haven't had one leak. I'm definitely going to rave about these to my friends!!!

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Megan on Thursday 28 April, 2011
Cotton Babies Verified Purchase

These are our favorite diapers! The fit is excellent and they wash up very well. Fairly trim under clothes when used with only one insert. We double stuff them at night and so far no leaks. Would highly recommend, especially with the buy 5 get 1 free deal!

Rating: 5 of 5 Stars! [5 of 5 Stars!]
Reviewed by Morgan on Friday 22 April, 2011
Cotton Babies Verified Purchase

Wow! This buy 5 get 1 free was such a good deal I could not pass it up! I got 12 diapers(including designer series) for 188.00! I also got free bumgenius leggings with a promo code! Me and the hubby are ttc #2 right now and cloth diapers is a whole new world for us. We just recently went to a mommy fair that had a seminar on cloth diapers/potty training. I went for the potty training part of the seminar but after the demonstration I was a faithful disposable diaper user converted! Cloth diapers are just not what they used to be!! I was immediately drawn to the BumGenius 4.0s w/snaps after tons of research! The quality is amazing! I loved the colors and designs! When I received them in the mail they were much softer than I imagined them also. Actually getting them in the mail and seeing them made me more excited for cloth diapering because I was so satisfied with my purchase! Shipping was also quick! I ordered before 2pm on a Tuesday and got them by Thursday night! Thanks cottonbabies and BumGenius!

View all 24 reviews

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bumGenius, Flip & Econobum are products of Cotton Babies, Inc
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