Brindle Waterproof Designer Memory Foam Pet Bed 4" thick dog bed is made of 2" of conforming memory foam and 2" of high density support foam Zippered cover can be easily removed and is washer/dryer safe Waterproof layer beneath the cover protects memory foam from messes Durable from everyday wear and tear, soft fabric and non-slip bottom; Please note this product is not designed to be chew-proof Medium bed measures 34" x 22" and accommodates dogs weighing 35-65 pounds; 3-year U.S. warranty