The Millie Long Crib Rail Protector. 1 piece measures 50 inches x 18 inches with 5 sets of ties. It has a soft terry cotton backing over a waterproof lining to create a moisture barrier to protect crib finish. It is made of 60% cotton and 40% polyester. Care instructions: machine wash warm, use only NON-chlorine bleach when needed, and tumble dry low.