Amazon offers HOPERAN 21" Heated Stadium Seats for Bleachers for   after code +Eligible for Free Super Saver Shipping. 

Apply Code: 3U86JUCY

Product Description:

• POWERFUL HEAT & SAFETY FIRST: Stay warm with the HOPERAN Heated Stadium Seat, powered by any USB battery (NOT included). With 3 heat settings (High, Medium, Low) and a max safe temperature of 130°F, both the cushion and backrest heat simultaneously with one remote. Insulated heating wires ensure safe, worry-free warmth.
• CUSTOMIZABLE COMFORT: Backrest of bleacher seat can be easily adjusted to 6 tilt to your preferred position. With thick foam cushion and armrest support, you can enjoy sofa-like comfort, whether the armrests are up or down. Detailed instructions on how to adjust backrest and armrest are provided in the manual for your convenience.
• PORTABLE & DURABLE: Our bleacher chairs with back and cushion crafted with a lightweight steel frame, high-density foam, and waterproof 600D Oxford fabric. The non-slip bottom and fixed straps and 2 hooks keep the seat stable, while backpack straps make it easy to carry to any event.
• CONVENIENT DESIGN: This stadium seats for bleachers includes a big back pockets for posters or personal items, side drink racks for secure beverage storage, and side small pockets for your phone, power bank, and other essentials. These features enhance comfort and convenience, making it the perfect companion for outdoor events.
• VERSATILE & PORTABLE:The HOPERAN stadium chair is lightweight and equipped with backpack straps for easy transport. It's perfect for stadium bleachers, outdoor movie nights on the grass, music festivals, drive-in theaters, and more. Ideal for situations where there’s no backrest. Enjoy added comfort wherever you go! Also a great choice for birthdays, Christmas, or any special occasion.