Portable Heated Seat Cushion for Car and Office USB Heated Butt Pad Outdoor Camping Seat Pad Winter Seat Cushion Office Chair Heating Pad This autumn and winter outdoor camping portable heating cushion, made of canvas + cotton + heating sheet material, with three-gear temperature control design, one-key operation, easy to carry, suitable for sports fans, travelers, drivers, families and office workers, and outdoor fishing enthusiasts. Features: Three-gear temperature control design, one-key operation, meeting different temperature needs. Precision edging design, preventing edge damage, long service life. Easy to carry, moderate size, light weight, will not become a burden to carry. Waterproof design at the bottom, preventing water from entering the cushion, sitting more stable. Side Velcro pocket, can store power bank, convenient e. Specifications:  Material: Canvas + Cotton + Heating Sheet  Color: Sky Blue, Gray, Blue Purple, Gray Green (Optional) Size: 42.5x42.5cm /16.7x16.7in  Weight: 240g /8.5oz Package list:  1 x Portable Heating Cushion