Description: Material: The chair posture corrector is made of PP and high memory foam material, which is soft, comfortable, breathable, sturdy.Chair Support: The Back Support Chair has an ergonomic shape, not easy to deform, fits the curve of the waist, hips and back, providing enough support for your back and waist.Features: The sitting and posture corrector has a hollow handle, a thickened protective bar, and is breathable and ventilated to maintain a comfortable sitting environment for you. Convenient to carry, lightweight design, easy to carry.Wide Application: The chair back support is most suitable for office chairs, computer desks, study rooms, restaurants, living rooms, sofas, recliners, and outdoors.Ideal Gift: The Back Support Pillow backrest and seat cushion are suitable gifts for drivers, programmers, students and sedentary people. Specification: Material:?PP Size Chart: 35cmx30cmx33cm/13.78inchx11.81inchx12.99inch Package Includes: 1x Sitting Posture Correction Chair Note: Please allow slightly errors due to manual measurement and different monitors.