This bed contains 4 inches of double the density of our basic foam beds for superior comfort and durability. The quilt-top adds an extra layer of softness on a firmer superior orthopedic foam that supports joints, bones, and keeps pets off the hard floor. Great for all pets that deserve that extra pampering. Truly a superior quality orthopedic dog bed that cradles your pet in orthopedic comfort and support High density orthopedic foam supports the neck, back, and hips Quilted top provides an extra layer of softness and comfort Cover is removable and washable for easy care