●100% Cotton ●?口 ●Machine Wash ●Please have a try. Worth every penny for your cute baby! You will receive prime item in 1-3 business days for FBA delivery. ●100% Cotton, very soft for baby wearing.Cute and special designs make your baby looks fashion and cool. ●Adjustable shoulder straps and waist with nice button-down, small cute pockets,washed western plain designs.Sleeveless style matches well with T -shirt or shirt. ●Very convenient to change diaper with button-down closure of the leg.Machine Wash. ●Size: 3- 36 months, suitable for Spring Summer and Autumn. Baby grows fast, and if your baby is stronger or heavier, pls choose a larger size.