These dog beds are ideal for most standard folding metal dog crates, dog carriers, cat carriers, dog houses. Dog beds are made of graphene and egg crate orthopedic foam filling inner for more comfort. built with oxford fabric on the bottom and sides, your dog cat bed can hold up to daily wear and tear. The thick egg-crate orthopedic foam is specially designed to enhance pressure-relieving comfort on joints and muscles. It can provide optimum bone support while improving air circulation. Size to fit small, medium large dogs cats and other animals up to 40 Ib. HappyCare tex pet beds provide comfort for pets in all seasons.