85% cotton,12% Dacron and 3% spandex Made in China Repeated Use: These baby knee pads can protect your baby's knees from bruises and scrapes when they are crawling and learning to walk.and Suitable for any season. Design:The baby knee pads design of high elastic sponge, very breathable, absorb sweat, deodorization durable and soft to wear.Adjustable Kneepad so can fit the baby leg perfectly. Fits Most Babies:The knee pads are unisex and fits most babies, Usual for 6-24 Month Baby, Kneepads circumference approx 15 cm/5.9 inches (unstretched); overall size 13.5 cm/5.3 inches 7 cm/2.8 inches (L x W); round pad (in the middle) diameter 7.5 cm/3 inches.