Cozy Cave Pet Bed in Poly Cotton Sherpa lining for warmth in winter and cool in summer Removable washable/dryable cover Heavy duty brass zipper Zippered liner Poly Cotton Exterior Sherpa Interior Machine-Washable cover Cedar/Poly filling for added comfort Available in Microsuede Exterior. See Luxury Microsuede Cozy Cave Dog Bed Small Snoozer Cozy Cave: 25 in. Diameter x 4 in. Sidewall Large Snoozer Cozy Cave: 35 in. Diameter x 4 in. Sidewall X-Large Snoozer Cozy Cave: 45 in. Diameter x 4 in. Sidewall