Features 1. Three-speed adjustment: Three-speed temperature can be adjusted as needed. The temperatures were 50C, 59C and 65C, respectively. (Power bank not included) 2. Dimensions: Our heated seats measure 13 x 15 x1.5 inches and feature a waterproof bottom and waterproof construction to keep you comfortable and dry when the bleachers get wet. It comes with high-density memory foam padding that makes it feel like sitting on a sofa. 3. Comfortable fabric: Suede fabric is delicate, breathable and skin-friendly. The elastic band is designed to be fixed on the seat to prevent slipping. The back is made of Oxford fabric, which is wear-resistant and durable. The USB cable is located in a zip pocket on the back of the mat. You can put the power bank in your bag. When you go out, you can put your valuables in your bag. 4. Dual heating of backrest and seat cushion: Our cushion backrest heating provides dual heating effect for the seat cushion and backrest, and the heating effect is very obvious. 5. Occasion: Suitable for most climbers and other bleacher stadium seats, beach chairs, camping chairs, folding chairs, outdoor seats, stadium seats, lawn chairs. Portable folding chairs fold flat quickly and easily, making them a great helper to keep out the cold in winter wherever you need warmth. They are portable, easy to use, and simple to store and transport. Specifications Material: Oxford cloth Color: Black, Khaki Dimensions: 33 x 38 x 4 cm Weight: 600 g Packing list: 1 heated seat cushion