Material: ABS, Steel Pipe, EVA_x000D_Adjustment range: 21-34 inches_x000D_Uses: Back posture correction, relieve muscle discomfort and shape the perfect body 11. Posture corrector: Our Posture Corrector is suitable for adults and children to help you open your shoulders, you will have a straight posture, more confident, healthy, and youthful. Enjoy a better life with a better attitude. 22. Relieve discomfort: The body stick has a retractable design, and the length is adjustable from 21-34 inches, suitable for children and adults. Relieve chest hump, neck and back discomfort caused by long-term work, looking down at mobile phones and computers. 33. Features: Unlike the wearable posture corrector, you don't need to wear it all the time, just use it for 10 to 30 minutes at your leisure every day, one posture corrector can be used by the whole family. Comes with a lanyard for easy storage. 44. Applicable people: This back support is especially suitable for people with a slight hunchback, children, people with bowed heads, long-term desk workers, and office workers; pulls your muscles and spine back to their original alignment to improve posture. 55. Packaging: Wrapped in a color box, suitable for children and adults, more ways to play are waiting for you to explore.