The Roll-O Bed provides the ultimate in support, comfort and practicality. Designed with Dual-Layer support - the luxurious Super Loft Fibre cushion combined with the added firmness of an Orthopedic Foam bottom insert makes this an excellent choice for older or larger breed dogs. The zippered cushion cover is lined with a Waterproof Barrierto protect against moisture, odor and bacteria. Both zippered bolster and cushion covers are completely Machine Washable and Dryable. Roll-O Beds are made with durable premium grade upholstery fabrics in neutral tones, reflecting the latest home design trends. Overstuffed bolsters filled with Super-Loft virgin polyester fiber.