2-way zip design to keep baby warm and snuggly during diaper changes. Cuddle tab to protect little chins up to size 5T. Footed with elasticized backs and grippers. Ribbed cuffs & neckline. Crafted in soft cotton with a cute print, this 1-piece gets your little one ready for bed in one easy zip! Plus, with an inverted zipper, baby's arms and tummy stay warm during diaper changes. Carter's cotton PJs are not flame resistant. But don't worry! They're designed with a snug and stretchy fit for safety and comfort. Cotton pjs are not flame resistant. To help keep children safe, cotton pjs should always fit snugly.. 100% cotton rib; soles contain polyester. Imported. Machine washable. STANDARD 100 by OEKO-TEX®20.HUS.39362.