**External cover only - bed not included.** Sizes: medium. dimension: 36"x29", large. dimension: 48"x29". Colors: blue, brown, gray, black, green, beige. Fabric type: denim jean, microfiber suede, canvas, coral fleece, suede+antislip bottom. Outer 12oz heavy duty durable flat style design with metal pull tab cover for comfort and security. Using a replacement cover is a great way to save in the long run. No need to throw away your whole bed and just replace the cover over and over again! Easy to pack and store. Covers can be unzipped and removed for a fast and convenient cleaning time. Machine washable in cold temperature setting. Transform your pet’s comfort with our versatile ACW replacement cover - the size of this cover is designed to fit on ACW pet bed products like our memory foam pad beds or pillow beds, but also to create a diy "do it yourself" pet bed tailored to your needs. Simply fill the cover with your choice of materials, such as old pillows, shredded memory foam, polyfill, bean bag filler, comforters, or duvets, to craft a custom bed that suits your pet’s comfort preferences. This cover fits 2 standard size human bed pillows. For added protection and durability, we recommend pairing your diy bed with one of our internal waterproof protective liners, ensuring the filling stays clean and dry for a longer lasting bed. Perfect for medium or large dogs that are looking for a great and relaxing comfortable sleeping environment. Heavy duty features more comfort and security for your pet's needs.