Mostly the internet. While there are a handful of brick and mortar stores that carry cloth diapers, your best bet to find what you’re looking for is to search online. There are several online cloth diaper retailers, of course, but there are a few brands and retailers you’ll hear about repeatedly. We’ve listed several here for your convenience. This is by no means an exhaustive list, but it’s a good cross section of some of the brands you’ll come across frequently in cloth diapering communities.