Although it has been used very little, there are some line marks on the back. Please be aware of this. [The Body Cushion is recommended for those who:] Spend long hours in a forward-leaning posture due to desk work, PC, or smartphone use. Want to stretch and start exercising during strength training or yoga. Want to easily stretch and loosen their body at home or in the office. ◾️It uses a touch-sensitive power switch that vibrates when weight is applied and stops when released. By leaning your body on the high cushion and stretching, and by adding vibration, you can stretch your body more comfortably. The vibration can be turned on or off, allowing you to use it according to your condition. ◾️Can be used in your favorite place, at your favorite time Because it is a rechargeable cordless type, it can be used in various places and at various times, such as at home, on the go, or in a car while traveling. - Brand: DOCTOR AIR - Product Name: BODY CUSHION - Uses: Desk work, strength training, stretching - Color: Blue Thank you for viewing.