PetFusion Ultimate Pet Bed - (MEDIUM FIRMNESS, Waterproof inner liner, YKK premium zippers, more BREATHABLE cover 35% cotton, CERTIFIED SKIN CONTACT SAFE)  [24 month WARRANTY for manufacturer defects] Premium components: (I) solid 4 inch memory foam base for superior overall comfort, reduced joint pain and improved health, mobility, & energy. (Ii) recycled 'green' support bolsters are generously filled. (Iii) durable & comfortable polyester (65%) & cotton (35%) twill SMART DESIGN: (I) Base & bolsters provide optimal support and comfort. (ii) Water resistant & tear resistant cover. (iii) Non-skid bottom. (iv) Blends in seamlessly with your . (v) Replacement covers available separately Easy to clean: (I) removable cover is machine washable. (Ii) simple to spot clean & remove hair. S: 25 x 20 x 5.5 inches/ L: 36 x 28 x 9 inches/ XL: 44 x 34 x 10 inches/ jumbo: 50 x 40 x 13 inches Ideal for medium/Large or multiple smaller dogs. Great for arthritis: (I) 36 x 28 x 9 inch. Can easily hold 100+ pounds. (Ii) [Search Pet Fusion Large pet blanket for new matching Blanket] Peace of mind: (I) passes stricter European reach safety standards. (Ii) cover fabric certified as 'skin contact safe'. (Iii) 'bolsters' Pre-loaded into cover, simply insert Memory foam base and zip closed. (Iv) 24 month Warranty on any part that is broken due to manufacturer defect If you have any product questions or suggestions, or have concerns with a Pet Fusion product you already purchased, We'd love to hear from you.