Milliard Aluminum Pet Cooling Pad/Mat for Small Dogs, Cats, Rabbits -Bunny, 12&rdquo;x8&rdquo; Aluminum is a well-known heat-sink that is commonly used to lower operating temperatures in computer equipment, refrigerators and sound amplifiers Pad is machined from a single billet of aluminum for maximum durability and smoothness Wipes down easily for cleaning Place in your refrigerator for 15-20 min for a little boost in chilling power Size: 12x8 inches