Dogbed4less Premium Extra Large Head Rest Orthopedic Cooling Memory Foam Dog Bed with Waterproof Internal Case and Durable Washable External Cover for Large to XL Pet XXL PREMIUM 55" Length X 37" Width - Luxury 100% solid therapeutic 4" gel infused memory foam pad, secured by a waterproof internal zipper cover and external durable canvas cover in black color. Combined total of 8" thick Headrest pillow on the side for extra comfort. 2 LAYERS ZIPPER COVER PROTECTION - Waterproof Taffeta fabric internal cover and a strong 100% Cotton Canvas fabric external cover with hidden zippered eyelid design plus extra stitching boasts longer lasting quality and easy to wash. GEL MEMORY FOAM ORTHOPEDIC SUPPORT - Top quality Orthopedic Memory Foam is five times denser and 3 times heavier than regular foam or polyfill pet bed. Our memory foam never loses its shape, providing many years of cozy comfort in relieving the pain of arthritis, joint and hip dysplasia which are rarely sold elsewhere due to higher material cost & shipping weight. THERAPEUTIC COOLING LUXURIOUS COMFORT - Better than average human grade mattress with conforming therapeutic comfort. The combined benefits of pressure point relief, alignment support, cooler sleeping surface, less allergens and motion isolation come together to create the ideal environment for deeper and more restful sleep. HIGHEST QUALITY - Premium materials, quality construction and smart features providing many years of comfort and support with excellent value for your money. Try it yourself and you will love it too.