[Upgrade and unique back support pillow] - If you spend a lot of time sitting in the office chair, game chair and driving in the car, this waist pillow will help you perfectly. The car back support is ergonomically designed to relieve upper back and waist pain and back tightness, support you to achieve a healthy posture, and help maintain the natural curve of the spine.[Never worry] The Qutool car waist support uses a high-density, thick, durable, beautiful and precisely molded memory sponge to ensure a firm and comfortable fit, enhance comfort and maintain its density. This chair pillow can provide enough support and more comfortable than waist roll or mesh back support, and can also be used as a pregnant woman's pillow or wedge pillow during pregnancy. It is very suitable for drivers, teachers, students, wheelchair users, office workers and the elderly.[Fixed] - Different from other low-quality office chair pillows on the market, the Qutool waist cushion has two adjustable shoulder straps and two extension straps, so no matter how large you move, they will keep your office chair supporting position. The two extension straps will make the backrest tightly fixed in the office chair, desk chair, computer chair, sofa, car seat, SUV, truck, wheelchair and lounge chair or other large positions. Chair home office accessories.[Breathable&Anti allergic 3D Mesh Mask] - This wheelchair backrest adopts a removable and machine washable mesh mask, which can keep the air flowing, so that you can keep cool, comfortable, dry and bring the best experience. Therefore, sweat and moisture will not accumulate, and it is suitable for all seasons.