20% OFF YOUR FIRST TWO MONTHS & FREE SHIPPING |  USE CODE: HAPPYBABY

Free Diaper Sample

Size Guide

Want to try a few Boo diapers before you sign up? Not a problem! Each sample pack comes with 5 diapers of whichever size you choose and you can order up to two different sizes, just pay shipping and handling. If you decide to join Boo we'll give you a credit toward your first order to cover the sample shipping cost :)

Size Tip: Our diapers run slightly larger than your standard number sizes so be sure to checkout our size guide (green text above).

Choose Your Size

Choosing Boo as Your Diaper for Even 1 Year Will Help Eliminate Over 2,000 Plastic Diapers From Landfills

Recent Verified Reviews

Sizing Chart

Size S: 8-17lbs

Size M: 14-24lbs

Size L: 19-30lbs

Size XL: Over 26lbs

*All babies are different, so please use these guidelines as a point of reference.