Petit Lem Baby Girls' Fluffy Flamingo Bubble Dress and Diaper Cover Dress: 100% Polyester; Lining and Bottom: 95% Cotton, 5% Spandex; Neck: 65% Polyester, 35% Cotton; Sock: 70% Cotton, 27% Nylon, 3% Spandex Imported Machine Wash Cotton Dress , bloomer and socks Machine wash cold, tumble dry low. Do not bleach