Usage Tips:Heated Stadium Seats,Portable Heated Stadium Seats for Bleachers with Back Support for Sports Event WalkbeeWarm and Comfortable: The back and the bottom of the can be heated at the same time. Just contact the to the USB banks (Not Included), and push the button, you will have a warm and comfortable .Material: The heated is made of high quality 600D oxford polyester material, has a waterproof bottom, which is non-slip. you can always enjoy dry, clean seats even in outdoor wet environments.Designed with an underside strap and buckle, it can be secured easily and quickly to most bleachers and benches. with backpack straps, you can easily carry the to stadium, beaches and park etc.Extra Wide: The is stable and foldable. you can choose the most comfortable position to enjoy your happy time.Occasions: It is quite suitable for sports events, outing, camping, travelling, garden party, hiking, picnic, BBQ, backyard, beach, fishing, etc.Colour:blackMaterial:Oxford cloth + cotton + heating sheetSize:40 X 40cmPackage Contents:1 x Heated Stadium SeatsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.