Thank you for viewing! This is an opened, unused item. The plastic has been damaged due to incorrect opening, so it will be reinforced with tape for packaging. "40℃/50℃/55℃ Constant Temperature" Electric Seat Cushion for Chairs 126 x 50cm Warms the Lower Back and Back Gently Electric Heating Hot Mat Cushion Sheet Heater USB Powered 30 Seconds Quick Heating For One Person Home Office Energy Saving Washable Reference Price: ¥4899 Body Size: 126*50*1.5cm Heating Sheet Size: (20*20)*2cm Net Weight: 0.4kg Material: Knitted Fiber Composite + Non-Slip Net Cloth + Heating Yarn Fiber Color: Gray/Yellow Power Supply: 5V/2A Set Contents: Main Unit*1, USB Cable*1, 3D Eye Mask*1, Japanese Instruction Manual*1 Fits Perfectly on Chairs: The soft flannel outer fabric is quilted for a fluffy and comfortable sitting experience. The bottom uses a high-density non-slip granular board, and there are also two rubber tapes on the backrest. It can be better fixed to the chair, and it is also very convenient to remove. Warms the Body from the Core: The heat-resistant heating wire fabric uses flame-retardant materials, so you can use it without worry. It can provide thorough warmth to areas that are prone to feeling cold, such as the lower back and back (you need to sit for a while to feel the heat). You can adjust the comfortable, gentle warmth to your liking, not too hot and not too cold. Energy Saving and Washable: It is an energy-saving product that is kind to your wallet, costing about ¥1.2 for about 8 hours of use and about ¥1.8 for about 12 hours of use. (*Calculated at 1kWh = ¥27 (including tax, new electricity rate standard unit)). The entire body can be washed, but the main unit should not be twisted or folded. Easy Operation: Simple operation with only power ON/OFF. The 3-stage temperature of 40℃/50℃/55℃ can be adjusted to your needs, so anyone can easily use it. It is also perfect as a gift for family, friends, superiors, and leaders.