Description our back posture corrector provides more effective support to your posture that will help you develop muscle memory to keep your back straight overtime. Features provides back support to better improve your posture. With 4 non-removable support rods to help straighten your back. Helps improve your overall spine health, improve confidence. Hook and loop design, easy to adjust the tightness. Made of neoprene and polyester material, comfortable and breathable. Suitable for people with slight hunchback, people with bowed heads and office workers. You can use it at home, office, gym, yoga room, outdoor when you are doing housework or watching tv. Specifications material neoprene polyester color black size guide s suitable for waist circumference 66-86cm m suitable for waist circumference 86-104cm l suitable for waist circumference 104-125cm package content 1 x back posture corrector please note due to manual measurement, please allow there are subtle differences.