en size (adult): 190MM x 12MM x 2MM General size (children): 7 "(L) x 1/2" (W) x 1/16"(H)rubber bracelets cheap or (180MM x 12MM x 2MM) 61/2 "(L) x 1/2" (W) x 1/16"(H) or (165MM x 12MM x 2MM) Representative significance White: make poverty history LAF: Livestrong Nike: stand up talk up (anti-racial discrimination) BBC radio: Beat bullying Pink (BCC): support knowledge strength (to support breast cancer patients) BHF: Feel the pulse Dark Blue/Blue White: one world one cause/tsunami Relief (to help tsunami victims) Blue + Green: say no to sectarianism Characteristic silicone wristband bracelet with various fluorescence, night light and colors are soft, non-deformable, non-toxic, wear-resistant, non-cracking, high temperature resistance, long service life, non-irritating skin, fashionable and so on. Besides decorative function, it can also play the role of medical treatment, health care and mosquito repellent. purpose silicone wristband bracelet are used in various entertainment venues and stadiums. They can be used as gifts, souvenirs, promotional products, etc. They are hot fashion jewrubber bracelets cheapelry. They are also a kind of low-cost advertising promotional gifts with high advertising efficiency. Most of the sport hand straps have no practical use, just a fashion accessory. This kind of handband usually reflects the beliefs and values of the wearer. silicone-wristbands-made-in-canadapink-breastcancer-silicone-wristbands e 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 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.