SOOTHING: The Coleman Pet Cooling Mat stays 5-10 degrees cooler than room temperature to keep your pet comfortable SAFE: Stay-cool gel is non-toxic and needs no refrigeration or electricity EASY TO CLEAN: Just wipe it down! MULTIPLE USES: cooling mat can be used by itself, in a pet bed, in the car, or in a pet carrier Open dimensions: Small 12" x 16" Large 20” wide x 36"