Low steps make it easy to climb! Memory foam and soft to sleep on. Egg crate shape provides ideal support for senior pets This is a cover for senior puppy and cat care bed [unage anage] only. Soft and comfortable to sleep on. Prevents scratches and dirt from reaching the unage, keeping the unit in a clean environment. Since it can be washed at home, you can wash it immediately when it gets dirty. You can also enjoy changing the atmosphere depending on the color of the cover. The stitching is tight, so you can put it in a net and toss it in the washing machine, but hand wash it with home cleaning agent will last much longer. Choose your favorite color to match your decor.