t material and different logo stylle wristbands. What will the rubber bracelet be in the future? I think the most imagining is the material . We can creat the more comfortable , eco or healther material to act upon the body. Or we can almost get it that a rubber bracelet will be digital with the tenology like iwatch. If running is your hobby , you should have a digital rubber wristband. A sport digital rubber wristband is a digital chip putting in the rubber band part. The biggest advantage of the digital rubber wirstband for sports is the high step counting accuracy , more stability of 50 meters waterproof , the long life time built-in batterstroke awareness silicone bracelety and also comfortable and durable as it is the silicone made material. A sport digital rubber wristband is the assistant of good health to remind you of sporting. 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 sectastroke awareness silicone braceletrianism. Also a silicone bracelet can be used as a promotional item for entertainment or 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.