Stay warm through every outdoor event with the Alpcour Portable Heated Stadium Seat Cushion. Measuring 21" x 15" x 3", this extra-thick cushion features three adjustable heat levels and includes a rechargeable power bank for cordless warmth. Built with durable waterproof materials, an anti-slip base, front storage pocket, and built-in cup holder, it delivers premium comfort and portability for sporting events, camping, concerts, and more. Features Three adjustable heat levels Includes rechargeable power bank Generous 21" x 15" x 3" size Thick high-density foam cushioning Durable waterproof polyester exterior Anti-slip rubber bottom Front storage pocket and built-in cup holder