Warm and Comfortable: Both the back and bottom can be heated simultaneously. Just connect to a USB power bank (not included) and press the button for a warm and comfortable seat. Material: The heated seat cushion is made of high-quality 600D oxford polyester material and has a waterproof, non-slip bottom. You can always enjoy dry, clean seats even in wet outdoor environments. Designed with a strap and buckle on the bottom, it can be easily and quickly attached to most bleachers and benches. With backpack straps, you can easily carry the seat cushion to the stadium, beach, and park, etc. Extra Wide: The seat cushion is stable and foldable. You can choose the most comfortable position to enjoy your time. Occasions: It is very suitable for sporting events, outings, camping, travel, garden parties, hiking, picnics, barbecues, backyard, beach, fishing, etc. Color: black Material: Oxford cloth + cotton + heating plate Size: 40 X 40 cm Package contents: 1 x heated stadium seat 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 to be a little different from the real thing. The allowed measurement error is +/- 1-3 cm.