"Your outdoor activity just got a lot more enjoyable with the THAW Rechargeable Heated Seat Pad. Comfortable enough for any season, this heated seat warmer also features a USB connection that can generate up to 6 hours of heat when connected to a power bank. Sit down, relax and enjoy your outdoor activity with comfort and warmth. With the included adjustable strap and the perfectly compact size of the Heated Seat Pad by THAW, you'll be able to take comfort and coziness with you wherever you go. Don't let the cold get you down, warm up with THAW! If you're spending time outdoors in the cold, then you need a Heated Seat Pad from THAW! This comfortable and cozy cushion keeps you perfectly supported and warm even on the coldest bleachers. Take your spectating, hunting, fishing, and other outdoor recreation activities to the next level with High, Medium, and Low modes that last for hours with the optional THAW Power Bank! You've never been this comfortable watching a high school football game or sitting in a blind in the middle of the woods. Already have your own power bank? No problem! Just purchase the seat pad by itself to save money and when it arrives, just plug it in and turn it on! "