Zipper Dog Bed Cover for Pet Bed Mat Cushion Removable Waterproof Non-Slip Replacement Do It Yourself Dog Bed Covers Replacement Large for Pet Dog Bed Mat Cushion (without inside mattress) Zipper design make it easy on & off;Chew Proof Washable and Durable,Waterproof,removable Color & Material: Red Color-Cotton Size: 48"x29"(large)