DescriptionThis item is a waist cushion pad. According to human body engineering, made of PU, it will bring you a different massage experience. It attaches to seat with elastic strap. A good choice for your car!Feature- Color: Black and White - Material: PU - Size: 35x34x10cm/ 13.8x13.4x3.9inch - According to the human body mechanics, the product has a large number of circular massage columns, built-in vibration starter which has massage function, leaning against it is conducive to human blood circulation. - Using the most advanced physiotherapy design to correct back sitting position, while relax your waist for sitting a long time. - Can be connected to the car cigarette lighter 12V DC power, the vibration velocity of lumbar can be freely adjusted, with drive-by-wire switch. - The product is equipped with elastic band, it can be directly set on the seat, easy to use.