Dog Cooling Gel Mat, Self Cooling Pad, Large 36" X 20", pet chilly mat for hot summer, cooling products, dog cold bed, pet cooler, pet cool bed Keeps pets cool by naturally creating a lower temperature than your pets body Gel technology is weight activated, no refrigeration or electricity needed Lightweight and portable, folds easily for storage For indoor and outdoor use, great for lounging on hot summer days Size Large 36" x 20", reusable, nontoxic