Warm Comfortable: The back the bottom of the can be heated at the same time Just contact the to the USB banks (Not Included), push the button, you will have a warm 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 buckle, it can be secured easily quickly to most bleachers benches with backpack straps, you can easily carry the to stadium, beaches park etc Extra Wide: The is stable 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 and cotton and heating sheetSize:40 X 40cmPackage Contents:1 x Heated Stadium SeatsOnly the above package content, other products are not included Note: Light reflection 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