Majestic Pet Products Large 34" x 48" Orthopedic Dog Pet Bed made with orthopedic grade thick convoluted foam, allowing for proper circulation when resting, and provides comforting support for your aging and aching dog. The top of the bed is a soft faux, the sides feature a soft poly cotton blend and the bottom is made of a durable waterproof denier. To keep clean, unzip the cover and wash on gentle cycle. Air Dry. Large Recommended for dogs under 36lbs and over.