Jewelry Design Tube Bracelet by Jingcheng Wu This unique Tube Bracelet is from the Tube collection by Wu High Jewelry. The bracelet is inspired by the simplest material: a tube; and it is transformed into a minimalist bracelet, with the help of new material (titanium), with a technique designer was an expert in. The designer wanted to make a tube collection for people to rethink what jewelry originally is. The bracelet was crafted with simplicity, astonishing color, and structure together, which gives the tube bracelet an out-of-the-world beauty and elegance.