97% Rayon made from Bamboo, 3% Spandex Stretches to stay taut Versatile use Crafted from super breathable rayon made from bamboo, our infant car seat cover protects your little one through the seasons, from bright sun rays and pesky mosquitoes, to light rain and cold winds. Light, stretchy, and baby soft, this car seat cover can also be used as a nursing cover, shopping cart cover, high chair cover, and so much more!