Good Dog Orthopedic Egg Crate Bamboo Charcoal Foam Pet Bed. Made of high-density egg crate foam infused with bamboo charcoal to help regulate moisture, temperature, and odor. This unique combination provides maximum comfort and support for dogs of all ages and sizes. Great for dogs with arthritis, muscle stiffness, joint and hip dysplasia. Made with bamboo charcoal to help regulate moisture, temperature, and odor Water resistant removable cover Antiskid bottom Machine washable cover Helps to support joints & relieve pressure points Egg crate cut filling, memory foam infused Available Size (Approximate): Medium: 87cm L x 56cm W x 10cm H (34" Length x 22" Width x 4" Height)