Ergonomic Healthy Posture Corrector: A redesigned posture corrector for precise back and lumbar support. The ergonomically designed, contoured design complements the natural curve of the waist, effectively relieving pressure from prolonged sitting. It promotes healthy posture, and regular use can improve poor posture and relieve lower back pain. [Multi-Layered Comfort Support] The improved back support, featuring multiple layers of high-density support material, not only provides softness and comfort but also effectively distributes the burden on the waist. Furthermore, different support levels cater to different body parts, ensuring a comfortable sitting experience. [2-in-1 Posture Corrector] This posture corrector combines the functions of a seat cushion and lumbar support, making it incredibly convenient without frequent adjustments. It's suitable for a variety of chairs, including office chairs, reading chairs, floor chairs, computer chairs, gaming chairs, car seats, desk chairs, school chairs, sofas, and sports chairs. Versatile Design: From adults working to driving and students studying, the newly designed back support is suitable for a variety of situations. Weighing only 3 pounds and equipped with a handle, its compact size and portability provide optimal support in any situation. Breathable Material and Durability: Optimized materials provide excellent breathability even after long-term use. At the same time, the carefully materials enable the reading chair seat to maintain excellent performance after repeated use, providing long-term support. Color:Black Material:Pp+Memory Cotton Package Contents: 1 x cushion waist protection Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.