Warm and Comfortable: The back and the bottom of the can be heated at the same time. Just contact the to the USB power (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-. you can always enjoy dry, clean seats even in outdoor wet environments. Designed with an underside strap and buckle, it can be secured and quickly to most and . with backpack straps, you can carry the to stadium, beaches and park etc. Extra Wide: The is stable and foldable. you can 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:black Material:Oxford cloth + cotton + heating sheet Size:40 X 40cm Package Contents: 1 x Heated Stadium Seats Only 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.