Mud River Crate Cushion - The Crate Cushion will ensure your dog has an enjoyable ride and is ready to perform upon arrival. 1200D Nylon upper and Industrial Grade bottom for maximum protection Whip-Stitching bonds the two materials to allow for killer abuse Medium/ Large: 30in x 18in x 0.5in XL/ Jumbo: 33in x 22in x 1in