The Muddy Outdoors's Camouflage Portable Hot Seat is lightweight and has a strap for easy transport. The hunting seat features a heat-reflective foam core. No batteries or hot hands are required, the seat uses your own body heat to reflect and keep you warm during the hunt. Instead of transferring your body heat to a cold tree stand seat, use it to keep you warm with the portable hot seat. Product Specs: CONSTRUCTION: Durable camouflage cushion retains & reflects your own body heat for a warm, comfortable seat. SIZE: 15 Diameter x 4 Thick.