Rechargeable Heated Massaging Stadium Seat from Hammacher Schlemmer. Never used, still in the original box. Heating and massaging seat cushion, can bring to a sporting event or on a camping trip. Heat settings are adjustable with a control tab up to 115° F on the back and bottom, and there are 3 vibrating massages for the back. Support straps are also adjustable and there is an exterior pocket. Made from water-resistant nylon, and a padded seat, folds to 4" thick and has a carrying handle. The rechargeable battery provides up to five hours of heat or two hours of heat and massage from a 2-3-hour charge with the included AC adapter. Supports up to 250 lbs. dimensions: 13" L x 15" W x 1 3/4" D. (weighs 2 1/2 lbs.) This is the listing from purchase: https://www.hammacher.com/product/rechargeable-heated-massaging-stadium-seat