K&H Manufacturing K&H Pet Products Memory Sleeper Orthopedic Memory Foam Pet Bed Orthopedic memory foam pet bed for healthier joints Great for aging, arthritic pets and pets with bone, hip or joint problems 3-3/4 inches thick for even cushioning; removable machine-washable cover Recommended for indoor use; available in 3 sizes and 2 colors Measures 23 by 35 by 3-3/4 inches; 1-year warranty