With a two-layer foam construction, the Dog Orthopedic Bed by Petmaker is designed with comfort in mind. The dog bed for crate features an insert with a 2-inch layer of memory foam at the base of the dog mattress and another 2-inch-thick layer of high-density foam that can support pets weighing 20-45-pounds. The attractive dog crate bed comes with a plaid orthopedic dog bed replacement cover topped with warm and fuzzy Sherpa fabric, a non-skid backing, and a wraparound zipper so it can be removed for easy cleaning as needed. Note: The Dog Bed Pad and Washable Bed Cover May be Shipped in Separate Packages.