Feature:1. Warm and Comfortable: Use our comfortable stadium seat pads to keep you comfortable while watching your favorite sports at the stadium. It comes with a high density memory sponge pad that feels like sitting on a sofa.2. 3 Heating Modes: With 3 level heating mode, which will keep you warm in the colder months. And you need to activate the included heating mode battery.3. Waterproof: The bottom of the heated seats cover pads is waterproof and the waterproof construction keeps you comfortable and dry when the stands are wet.4. Portable and Foldable: This heated seat cushion pad can be folded, allowing users to easily carry it to and from a game. Just put it on or put it in your backpack.5. Applicable Scene: Heating seat cushion helps you fight the cold and is suitable for watching games in stadiums and outdoor activities like camping, fishing, hiking, hunting, etc.Specification:Item Type: Heated Seat CushionMaterial: Quilted Cotton Suede, Cotton, Oxford Cloth, HeaterGross Weight: 410g / 14.5ozProduct Size: 40x40cm / 15.7x15.7in, thickness: 2cm / 0.8in.Package List:1 x Heated Seat CushionNote:1.Rechargeable battery equipped with requirements: output 5V/2A rechargeable battery can only support the use of this product, the ambient temperature is too low may lead to the battery can not start, selfcontained rechargeable battery needs to be used in the working temperature range.2. Using the ambient temperature is too low, some people who are not sensitive to heat can not feel, mistakenly think that the product does not work, the temperature needs a certain amount of time to raise the need to be patient for a while.3. The product is not recommended to wash, so as not to cause damage to the internal heating pad.4. Lowgrade about 50 midgrade about 59 highgrade about 65 .5. The product is shipped without power supply.