Effective Back Support The ergonomic design makes it perfectly adapted to the contours of the waist and offers lower back support, reducing fatigue and correcting the posture of the spine, ideal for people who spend a lot hours sitting and / or with back pain Stay Cool And Comfortable Different from memory foam cushions, this lumbar cushion comes with a soft and breathable mesh cover to allow air circulation, so your back stays dry and comfortable even after long periods of use Backrest With Massage Mesh lumbar cushion with massage granules providing massage function, which can effectively relieve the stiffness of your back or waist, more comfortable Simple To Use The mesh lumbar support is lightweight, allowing you to take the mesh back support anywhere and set it up in minutes. Size: 30 x 40 cm, with elastic straps, it can be placed on the back of the seat or on any type of chair with elastic straps Product description Massage granules Mesh backing with massage granules, massage function provide, make you feel and can tingling effectively relieve the stiffness of your back / waist. Keep the air flowing The mesh lumbar support hole allows air to circulate, it does not feel stuffy during use even in summer. Fields of application mesh support is suitable for office chair, car seat, armchair, office chair, sofa, home chair or seat on a bus, plane or train. And chair cushions suitable for drivers, teachers, students, wheelchair users, pregnant women, office workers, father, mother, etc. Improve your sitting posture Ergonomically designed, the mesh lumbar support conforms to the contours of the waist, provides excellent back support and improves your sitting posture. An ergonomic chair back supportive cushion that aligns your back while gently protecting and strengthening your muscles. Sit straighter and correct your posture, instead of leaning over your desk.