Snoozer Orthopedic Poly-Cotton Cozy Cave Pet Bed Microsuede exterior, Sherpa interior Machine-washable cover, 3" orthopedic foam Topped with 2 layer of polyester batting for added cushion and comfort Extra deep sleep surface Rust-proof brass zipper, Available in a variety of fabric options Poly/Cotton exterior Sherpa interior Machine-washable cover 3 orthopedic foam Topped with 2 layer of polyester batting for added cushion and comfort Extra deep sleep surface Rust-proof brass zipper Available in a variety of fabric options Small: 25 in. Diameter x 4 in. Sidewall  Hood Height: Approximately 8 in. tall Large: 35 in. Diameter x 4 in. Sidewall  Hood Height: Approximately 8 in. tall X-Large: 45 in. Diameter x 4 in. Sidewall  Hood Height: Approximately 8 in. tall