Description: Made from thin and breathable material, the product can offer comfortable wearing all day long. Special structure design can help improve incorrect seating posture and humpback.;Special construction suitable for white-collar workers and students。 Specifications: Item Type: Back Corrector Material: Composite Cloth Color: Black,white Function: Humpback Correction Style：small size/middle size/large size 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.