Glenna Jean Carson Convertible Crib Rail Protector - Long (Individual) (Brown Star) The Carson Long Convertible Crib Rail Protector measures 58 inches x 18 inches with 5 sets of ties. Gold stars on a mud pie background. 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.