Material:100% Combed Cotton Pull on closure,soft elastic waistband Six-pack set of briefs in assorted colors and patterns Boxer designs and styles featuring elastic waistbands CARE: Machine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron. When we choose children's underwear ,we tend to pay more attention to comfort more than style.Winging Day kids underwear focus on high-quality panties and at the same time,modern & fashion are our extra pursuit,make the products simple but creative,it is in harmony with the little ones' publicity and happy.