Organic cotton 2-way zip footie 4-packA four pack of our fan favorite footie, so you always have one on hand (even when the rest are in the hamper). 100% organic cotton interlock 2 way zipper for easy diaper changes Non skid soles on sizes 9 12 mos & up Mitten cuffs on sizes up to 9 mos Designed to fit snugly to meet CPSC requirements (read more below) Fabric: 100% organic cotton interlockis free of toxic chemicals, making it kind on the skin and the planet; pre washed to minimize