The Children's Place Baby Boys' Monster Blanket Sleeper 100% Polyester Imported Machine Wash Contrast rib-knit neck, zipper guard and sleeve cuffs made of 100 percent spun polyester Attached feet with an out sole made of 65 percent polyester/35 percent cotton twill Please note: for child's safety, garment should fit snugly or be flame resistant. This garment is flame resistant Zipper and guard from snap-tab neck to baby's left ankle for quick changing