Knee pads are breathable, soft and elastic, and feel good on the skin. The baby is more relaxed to exercise because the fabric is moisture-absorbing and breathable. The anti-skid pad features cartoon animals in a lovely design that is non-slip, cushioning, and abrasion resistant. The fabric is made up of 85% cotton, 12% Dacron, and 3% spandex. Protects baby's delicate skin by being breathable, soft, and elastic.