eaking 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 sectariancustom keychainsism. 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. custom keychains> earance of words ? The main reasons for the disappearance of the words of printed silicone bracelets are as follows : 1.Printing ink . We all know that high quality products can be used for a long time . The same is true of the printing ink used for printing silicone bracelets . Custom promotional bracelets made of high quality printing ink can keep text for a long time . However custom promotional bracelets made of inferior printing ink can"t keep text for a long time . 2.Production process . Silk screen printing process of silicone rubber bracelet is very important. Whether the surface of the event wristbands is clean or not, the dirty surface of the club wristbands will lead to insufficient adsorption of printing ink , so the manufacturer will clean the surface of the silicone bracelet . 3.Silicone wristband rub with other objects . When we wear silicone bracelets , it will rub with other objects and the message and logo is stay on the surface of the custom promotional bracelets . As the number of times the bracelet rubs against with other objects increases . The words on the bracelet will fade away gradually .