COMFORTABLE: This heated cushion made of cationic fabric, to keep your butt dry and warm.It comes with high-density memory foam cushions that feel like sitting on your couch.Stay cozy and watch your favorite football, basketball, baseball games or any sports. PORTABLE: Heated cushion with handle is lightweight and portable.Can be carried in hand or strapped to a backpack.Buckle design on the back secures the cushion to the to prevent movement and slipping.Small side pockets can be used to power . EASY TO HEAT: USB interface, can be via power bank, car charger, and so on, free yourself from the shackles of wires or power outlets. HEAT SETTING: The heating stadium cushion features button control that regulates the three temperature . Low(Blue): 50, Mid(Green): 59, High(Red): 65, click the button to control the temperature to meet your different temperature needs. WIDELY USED: It is suitable for sports fans, travelers, drivers, home and office workers, and outdoor fishing enthusiasts. You can take it anywhere with the power bank(NOT INCLUDED) to keep you warm in winter,whether indoors or outdoors. color:Grey :polyester Package Contents: 1 x seating washer(without battery) 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.