Car Seat Liner - can be reusable and disposable material - cotton, poly, non-woven. fit car seat, high chir, shopping cart Car Seat Liner - can be reusable and disposablereusable made from material -of cotton, poly, non-woven, etc.disposable made from pp cotton with PE backing, soft and water proof.fit car seat, high chair, shopping cart, etc. Car Seat Liner