Diapers
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Merino Wool Adult Cloth Diaper Cover Shorts
Regular price $187.60 USDRegular price -
Cuties Toddler Training Pants for Girls, Size 3T-4T, 92 Count
Regular price $90.97 USDRegular price -
Hello Bello Training Pants 3T-4T All About Feelings
Regular price $20.99 USDRegular price -
Bambo Nature Training Pants Eco-Friendly
Regular price $89.63 USDRegular price -
Pull-Ups Boys' Potty Training Pants, Size 3T-4T Training Underwear (32-40 lbs), 112 Count
Regular price $60.41 USDRegular price -
Pampers Training Pants - Easy Ups Boys & Girls Bluey - Size 3T-4T, 124 Count, Children's Potty Underwear (Packaging May Vary)
Regular price $65.77 USDRegular price -
Sigzagor All In One Reusable Cloth Diapers
Regular price $39.19 USDRegular price -
I Play. By Green Sprouts Reusable Swim Diaper
Regular price $25.19 USDRegular price -
Bolaz Diaper Bag Backpack Llama Clouds Pink Large Stroller Straps
Regular price $55.99 USDRegular price -
Charlie Banana Reusable Swim Diaper, Adjustable Drawstring, Tencel Lyocell Lining, Size M
Regular price $27.99 USDRegular price -
Bambo Nature Baby Diapers, Size 2, 180 Count, Super Absorbent with Wetness Indicator
Regular price $86.80 USDRegular price -
New Paraasols Chlorine-Free Luxury Diapers, Size NB, 88 Count
Regular price $91.99 USDRegular price -
MillieeMoon Training Pants Size 3T-4T
Regular price $63.31 USDRegular price -
MomEasier Reusable Swim Diapers 3-Pack For Toddlers
Regular price $26.59 USDRegular price -
Alipher Diaper Backpack Large Travel Nappy Bag with USB Charging Port Pink
Regular price $41.99 USDRegular price -
Generic Milli Moon Luxury Diapers Size 4
Regular price $93.99 USDRegular price
About Diapers at BabyOneStop
Diapers are the one baby essential you will buy again and again, so it helps to know what you are choosing. Sizes are based on your baby's weight rather than age: newborn diapers usually fit up to about 10 lb, size 1 to about 14 lb, and each size up from there covers a wider weight range. If you see leaks or red marks around the legs, it is often a sign to move up a size.
This collection includes disposable tape-style diapers, pull-on training styles for active toddlers, overnight diapers with extra absorbency, and swim diapers for pool days. Many families keep one box of the current size and one of the next size on hand, since babies grow out of newborn and size 1 quickly.
Every US order ships free, and you can pair diapers with baby wipes, diaper rash creams and changing mats from the same cart.
Frequently asked questions
What diaper size should I buy for a newborn?
Most newborns start in Newborn size (up to about 10 lb) and move to Size 1 within two to four weeks. Buy one box of each to begin, then reorder as your baby grows; every US order ships free.
How many diapers does a baby use per day?
Newborns use 10 to 12 a day, 3- to 6-month-olds about 8, and toddlers 5 to 7. Our diaper size guide lists counts by size.
Do you sell overnight and swim diapers?
Yes. Overnight diapers have extra absorbency for 12-hour stretches, and swim diapers hold solids for pool days. Both are in this collection.