history. Yellow stand for livestrong. Black and white stand for standing up and speaking up. Blue stand for beatting bullying. Pink stand for supporting knowledge strength. Blue and white stand for one world one cause Blue and green stand for say no to sectarianism. Also a silicone bracelet can be used as a promotional item for entertainment orsilicone wristbands custom sport. It is hot sale as a advertisement gift. Most of the silione bracelets are of no meanings , people wear it just as a popular jewellery. After proper dewatering , the silica gel mSiO2?nH2O become a porous mass that is of different particle size. This is so called the silicone. The silicone has the open vesicular structure , large specific surface. So it can absorb many substances as a good desiccant, adsorbent and catalyst carrier. Adsorption of the silicone is mainly the physical one that can be regenerated and good for repeated use. Let the silica gel soak in the cobalt dichloride solution then get it dried and activated , will become the allochroic silica gel. It will transfer from blue to red color when absorb water. Changes in color shows the degree of water absorption and whether need the regeneration treatment. to do business promotional gifts, souvenirs, gifts and so on. Silicone wristband is made from the silicone and silicone ink if made color filled or printed. So what is silicone and what the characteristic of this ink. Silicone also named silicone rubber which is a kind of high activity adsorption material with non-toxic, tasteless, stable chemical properties and have higher mechanical strength. The silicone wristband is comfortable to wear and long lasting with the characteristic of silicone rubber. Silicone wristband is a kind of molded silicone product. Molded silicone products are usually put through the high temperature mold in the addition of curing agent after the solid silica gel through the curing machine to put pressure into solid silicone wristbands custommolding. The shape of the mold determines the shape of the molded silicone products. Molded silicone products is currently the most widely used in the silicone industry. The silicone ink is a coating protection ink used on silica gel material which is environmentally friendly , non-toxic and harmless.