Product Specifications: Convenient, disposable hot duvet. Just take it out of the bag. Great for fishing or watching sports in cold weather. Heats your entire body from your hips, hips, feet, and body! It has good cushioning and is very comfortable to sit on. Soft to the touch and durable. Can be used for a wide range of purposes, such as knees, hips, back, legs, etc. Cold weather gear chiro-related individual package size: 10.8, 11.4, 0.8 inches (275, 288, 20 mm); Individual package weight: 5.3 oz (150 g); Sold by: Asaura; Case Quantity: 100; Product Details: Maximum temperature 156 degrees F (66 degrees C) Average temperature 52 degrees Lasts 8 hours