Description: Material: The chair posture corrector is made of PP material, which is soft, comfortable, breathable, sturdy and has a long service lifeChair Support: The posture corrector chair attachment has an ergonomic shape, not easy to deform, fits the curve of the waist, hips and back, providing enough support for your back and waistFeatures: The sitting and back 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 carryWide Application: The chair back support is most suitable for office chairs, computer desks, study rooms, restaurants, living rooms, sofas, recliners, and outdoorsIdeal Gift: The leg support posture correction backrest and seat cushion are great gifts for drivers, programmers, students and sedentary people Size Chart: 32cmx30cmx30cm/12.60inchx11.81inchx11.81inch Package Includes: 1 Sitting Posture Correction Chair Note: Please allow slightly errors due to manual measurement and different monitors.