FurHaven Pet Dog Bed | Orthopedic Mattress Pet Bed for Dogs & Cats, Cream, Large Medical-grade "egg-crate" foam relieves joint pain and promotes better circulation Snuggly-soft faux lambswool sleep surface Perfect for eldery and disabled pets or those that could benefit from extra support Zippered, removable cover for frequent washing to keep the bed looking and smelling fresh Medium, 30-inch x 20-inch x 2-inch