Pet Support Systems Orthopedic GEL Memory Foam Dog Bed, X Large (40-Inch x 35-Inch x 4.5-Inch), Khaki / Tan (Microsuede) Medical Grade Quality 100% Hypoallergenic 4 inch Certi-Pur Certified Foam Pet Bed. 2 inches of high density NON-TOXIC supportive base foam and a 2 inch (REAL) 4 lb memory foam top (SAME FOAM WE USE FOR OUR $2500 MATTRESSES) for perfect molding support for your large or small aging dog or puppy that you want to protect from future aging issues. Pet Support Systems pet beds are made from 20 years of mattress ingenuity. We have been making luxury therapeutic memory foam dog beds for almost 20 years. Every bit of comfort and manufacturing technology that goes into our people beds goes into our pet bedsWHY? Because we dont know how to do it another way. Best of all, we are so confident that you and your pet will love this bed that we fully stand behind our products 100% We offer a 30 day 100% satisfaction guarantee and a 3 year manufacturer warranty on materials and workmanship. Made from high density 4 lb Deluxe GEL Memory foam to instantly contour AND support your dogs bone structure and posture to relieve pressure and ease pain from arthritis, hip dysplasia, joint inflammation, and other ailments. Your loved pet will sleep more soundly and experience relief from pain as well. Additionally, our foam is antimicrobial to resist odors, dust mites, mold and bacteria to help maintain a hygienic environment for all. Best of all, we are so confident that you and your pet will love this bed that we fully stand behind our products 100% We offer a 30 day 100% satisfaction guarantee and a 3 year manufacturer warranty on materials and workmanship. This is the best XL orthopedic memory foam dog bed that you have ever had if not, then return it with no questions asked.