Features 1、Material: Made of fiberglass tube and foam, the reinforced fiberglass tube is sturdy, firm, and stable, and the high density foam is soft and comfortable. 2、Simple and convenient: Length 77cm, simple and convenient, you can take the stick to the gym or other places you want to improve your flexibility and strength, this simple and efficient training tool will help you adjust your posture and improve the flexibility. 3、Simple to Use: One click, one rotate, and one fix, providing your body with much needed support to help improve your overall posture. 4、Practical: The posture training stick can be used to chest expansion, open back and standing training, pull your shoulders to the real position, especially suitable for office workers, the elderly, and children. 5、Multipurpose: The use of sticks can not only improve sitting posture, but also increase self confidence, straighten the back to enhance the temperament. Name: back opener Material: fiberglass tube, foam Size: total length 77cm Diameter: 2cm Uses: open shoulders, beautiful back, heighten height, enhancing temperament Applicable people: adults, children, adolescents Package List 1* Posture Training Stick