Name: Yoga back opener Material: steel pipe, foam Size: total length 80cm Diameter: 2cm Uses: open shoulders, beautiful back, heighten height, enhancing temperament Applicable people: adults, children, adolescentsPackage List 1* Posture Correction Stick Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size. 11. Material: Made of steel pipe and foam, the reinforced stainless steel pipe is durable, firm, and stable, and the high-density foam is soft and comfortable. 22. Simple and convenient: Length 80cm, 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 that allows you to achieve positions and ranges of motion that you would normally not be able to achieve in yoga practice, dance classes, sports or training activities. 33. New cover design: One-click, one-rotate, and one-fix, strong and reliable, providing your body with much-needed support to help improve your overall spine health and posture. 44. Practical: The yoga stick can be used to improve hunchback, chest expansion, open back and standing training, pull your shoulders to the real position, and correct bad posture, especially suitable for office workers, the elderly, and children. 55. Multipurpose: Sitting in front of the computer for a long time can cause back and shoulder discomfort. Using a yoga stick can not only improve sitting posture and relieve discomfort but also increase self-confidence, straighten your back and improve your temperament.