►►Features: 1. Thin and lightweight material is breathable and sweat-absorption for comfortable wearing all day long. 2. With hook and loop, it can be adjusted to better fit your body. 3. Form the correct seating posture, protect eyesight and prevent short-sightedness. 4. Force the shoulder to be extended fully. 5. Decrease your shoulder and waist pain and improve humpback to shape a nice-looking figure. 6. Suitable for workers, teenagers and other people who have bad seating walking habits. ►►Specifications: Item Type: Body Shoulder Posture Corrector Material: Diving cloth, nylon webbing Color: Black Function: Humpback Correction/Improve Posture/Relieves back pain/Breathable Material/Easy to use/Adjustable ►►Adult Size Fit Waist: S 60cm-75cm(23.6inch-29.5inch) M 70cm-85cm(27.6inch-33.5inch) L 80cm-95cm(31.5inch-37.4inch) XL 90cm-105cm(35.4inch-41.3inch) 2XL 100cm-115cm(39.4inch-45.3inch) 3XL 110-125cm(43.3inch-49.2inch) ►►Child Size Fit Waist: S 50-56 cm M 65-75 cm L 70-80 cm ►►Notice: 1.Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. 2.Please allow 2-3cm differs due to manual measurement . Asian Size is smaller than EU/US/UK size,Please compare the detail sizes with yours before purchasing ►►Package Included: 1 x Back Corrector