The petmaker orthopedic pet bed with machine washable non slip bottom cover has a two inch layer of high density foam coupled with a two inch layer of memory foam to provide maximum support and comfort for any dog or cat Features . Memory foam. Removeable and machine washable cover. Recommended for dogs or pets 40 65 pounds Specifications . Color Gray. Material 100 polyester. Dimension 36 x 27 x 4 in . Weight 4 89 lbs