Waterproof design: The outer cover of the dog bed adopts a waterproof design, which can effectively prevent the leakage of dog urine. There is a zipper on the back that can be opened. When you want to clean the dog bed, simply open the zipper on the back and remove the outer cover for cleaning Premium Comfort: Crafted with a granular foam sponge base and multi-density flexible support, this dog bed evenly relieves pressure and maintains your pet's natural sleep curve for optimal comfort. Top and bottom design: The top is made of soft plush, making the surface of the dog bed warmer and more comfortable. The bottom is non slip, preventing it from easily sliding and providing a better sleeping environment Multiple Size Options: M : 31x25 inches,weight 20 to 40 pounds, L: 36x23 inches, weight 40 to 50 pounds, XL : 40x28 inches, weight 50 to 70 pounds, XXL : 46x30 inches, weight 70 to 90 pounds. Assemble dog bed：After receiving the vacuum packaged dog bed, please open the packaging and leave it for 48 hours before assembling the dog bed. Love Pet - Enjoy Life Perfect for indoor and outdoor use.Thanks to its water and dirt-resistant zippered cover, unwanted dirt or stains will no longer be a worry for the pet owners. Just toss in the washing machine and provide a long-lasting healthy, clean environment for them. Tips The dog bed is vacuum-packed, when you open it, you may see a crumpled dog bed. Don't worry. Our product is made of high elastic artificial fibers. After taking out, please gently pat and shake the pet mat with your hand, then let it sit for a while, the whole mat will get warm and thick. After you have used the dog bed for a period of time and have started the first cleaning and drying of the product, our dog bed will be as full and bouncy as it was when it was made.