Egg Crate Foam: The 3" high-density egg create foam dog bed evenly distributes your pet’s weight, which provides maximum support and comfort for pets of all ages. Sofa-Style Bed Design: The 3-sided 3.5" bolstered side pillow adds extra support to your pet's neck and head for a more restful sleep. Cozy Spot: The sleep surface (19”x18.5”) is made of a flannel cover that provides a soft and comfortable sleeping area for dogs or cats. Nonskid Bottom: The non-slip, studded plastic bottom can fix the position of your dog bed, so it brings the dog a sense of security. Easy to Care: Removable cover with zip closure for easy cleaning. The inner foam has a TPU cover, which provides protection from dog pee and excrement.