The Glenna Jean Crib Rail Protector - Fly By measures 50" x 18" with 5 sets of ties. It has a soft terry cotton backing over a waterproof lining to create a moisture barrier to protect the crib's finish. It also helps to protect your teething baby from eating the wood or digesting harmful toxins. 60% cotton/40% polyester. Machine wash warm in gentle cycle. Made in the USA.