K&H Pet Products Microwavable Pet Bed Warmer Waste Management You can also use it

You can also use it as a replacement collar to the Deluxe In-Ground Cat Fence System (PIG00-11007)

Weight: Dog device (with short plastic contact points): 1

and owner's manual

Dimensions: 2" x 3" x 3

We also include screws for a more permanent attachment

K&H Pet Products Microwavable Pet Bed Warmer Waste Management You can also use itIt's simple to use, just minutes in the microwave is all it takes. The non toxic warmer is safe and stays warm for up to 12 hours inside a pet's bed. simply microwave it as needed for anytime warmth for your pet. Hand wash with soap and water. Features: Soft and squishy when warm Durable neoprene cover Non toxic No electricity needed for up to 12 hours of warmth Item Details: Dimensions: 9" x 9" x 2" Color: Blue