Pet Therapeutics Pet Theracool Cooling Gel Pet Bed THERACOOL COOLPHASE DESIGN: Soothes, chills and comforts to aid in reducing overheating, dehydration and panting. BENEFITS: Comfort for pets with arthritis, hip issues and joint pain. Reduces panting, overheating, and dehydration. ADDITIONAL BENEFITS: Cushioning, Cooling, Gel Comfort, Orthopedic, Pain Reliever, Older Dog Relaxation, Soft &amp; Comfy. All life-stages. NO PRE-CHILLING REQUIRED: Gel spheres provide softness and keep pets comfortable. No need to freeze or refrigerate. Or, for instant cooling relief, remove gel pad insert from zippered compartment in bed, and place in freezer for 15-20 minutes before use. LIGHTWEIGHT AND PORTABLE: For indoor and outdoor use. Easy to clean and store. SAFE, NON-TOXIC GEL: The Gel is safe for human and animal contact, including ingestion. GIVING BACK: We donate a percentage of profits to animal welfare organizations, shelters, and rescues each year. QUALITY AND TESTING: All products are tested and are continuously analyzed to provide the best quality cooling product for your pet. SIZING GUIDE: Medium: Bed dimensions are 25&rdquo; x 21&rdquo; x 4&quot;. Gel Pack dimensions are 16&rdquo; x 12&quot;. Large: Bed dimensions are 36&rdquo; x 23&rdquo; x 4&quot;. Gel Pack dimensions are 25&rdquo; x 12&quot;. X-Large: Bed dimensions are 40&rdquo; x 30.&rdquo; Gel Pack dimensions are 28&rdquo; x 18.5.&rdquo;