I'm 23 years old. I used it on my back for half a year. Now I put on my old hunchback. However, wearing a good back is only effective for acquired habitual hunchback. If you have a congenital hunchback, it's no use putting on your back. Of course it is useful, but it will take a relatively long time to correct this age. In addition, you must stick to it when you wear it. If you wear 1 month, don't wear it for half a month. There are many people, so it is important to stick to good habits.

Beibei Jia U9 was a product in 2006. Its color is pure black, and the tension is relatively large. It can be very hot in summer. Beibei Jia 1 is similar to U9, but it's just a change of soup. Backback U+ should be the best, the fabric is breathable, it won't be very hot in summer, but the price is higher, but the cost performance is the best. For details, please consult Beijing Backback Store.