One for Pets Orthopedic Interlaced Air Mattress Dog Bed Micro-Environment-Body pressure, heat and moisture are evenly dispersed and dissipated on this highly breathable bed Mattress cover is machine washable; interlaced air mattress can be cleaned with water The drying process can be as quick as 30 minutes; conforms to European chemicals agency (ECHA) regulation (EC) no. 1907/ 2006 concerning reach Highly recommended by veterinarians for aged dogs with below issues Hip dysplasia, arthritis, inflammation, joint pain, stiffness, cracking & incontinence