Treat your pet to a warmer bed with a Furhaven ThermaPup Self-Warming Thermal Insert. ThermaPup works without electricity to reflect your pet's heat back to them, building up natural warmth while they rest. Simply slide the ThermaPup into your pet's favorite bed for a quick and easy solution for beating the cold. Its lightweight, portable design makes the ThermaPup perfect for camping or other outdoor adventures! Easy to clean, simply wipe soiled areas with a damp rag and let air dry. The Furhaven ThermaPup comes in different sizes and can be cut to fit your pet's favorite bed.