1.Material : These baby knee Pads are made of 80% cotton, 18% Dacron and 2% Spandex. The center knee pad cushion is an extremely durable with premium material 2.Protection : Protect your little kids knees from bruises and scrapes when they are curiously crawling. Use high elastic sponge, very breathable, absorb sweat, deodorization, durable and soft to wear 3.Anti-slip and convenient : These crawling knee pads are designed for babies who are beginning to learn crawl and walk, protect your babys knee from scratches and make they become more brave to learn crawling. Can effectively increase the friction with the ground and avoid slipping, safe to wear 4.Comfortable : The crawling knee pads and socks are soft to touch, with medium thickness, suitable to be worn around the year, which can well protect for the baby's knee 5.Care Instructions : The knee pads are easy to wash, to keep them soft we recommend that you wash them by hand.