Power silicone bracelet to keep balance,new design,better functions. Power Silicone balance bracelets1. Made of 100% silicone rubber, extremely durable, featureing a 40% stretch feature for extra stretch over the hands. 2. Fashionalble design with 2 visible hologram disks for balance power 3. Logo versions: Sickscreen printed, debossed, embossed, filled color 4. Size: 17.5cm(S) 19cm(M) 20.5cm(L) ...