Hagen Dogit Elastic Ultra Suede Square Bed. Cozy up with a modern twist, our Dogit Style Square Mattress Beds are ideal for snoozers that curl themselves up into a ball. Dogit Style Square Mattress Beds are made with hand selected, luxurious fabrics and filled with 100% virgin polyester fiber to provide your pet with a warm, comfortable tactile experience with a modern aesthetic. Dogit Style Square Mattress Beds have a removable, washable outer cover to facilitate maintenance and are protected by a waterproof inner top liner to prevent pooch accidents from penetrating the mat.