Choose a kneeling chair to make your life easier. 1. The advanced design of chair kneeling chair is more suitable for people to use at home or office. 2. The roller allows you to move conveniently and helps you promote blood circulation and muscle relaxation. 3. The strength of this chair spreads from the hips to the knees to keep your back straight, which helps to improve spinal discomfort and other sub-health conditions. feature: With 4 rotating wheels Modern fabrics and polyurethane foam, comfortable seats After sitting, place your buttocks to keep your back straight The seat height can be adjusted for maximum comfort Ergonomically designed to promote correct posture and relieve fatigue ▶Product information: Name: Ergonomic posture correction chair Frame: steel The material of cushion: recycled foam + PVC Overall size: 47x67x79 cm (length x depth x height) Weight Capacity:250lb Need Assembled ( Easily) ▶Tips: 1. Sitting down for the first time, it may take a few days to get used to the chair. This is normal and is changing your sitting posture 2. If you have any questions about our products, please feel free to contact us, we will give you a satisfactory reply within 48 hours, we are happy to answer your questions, thank you for your support and love of our store, very happy Provide you with good service