al properties and physical properties fluctuate slightly according to temperature. UV and ozonecolor-wristbands can easily decompose the silicone. Organic silicon has better thermal stability and resistance to radiation and weather resistance than other polymer materials. It has a service life of up to several decades in the natural environment Silicone is one of the most unreactive compounds. They are resistant to biological aging without rejection of the animal body. As we can see, that why the silicone bracelet so comfortable and durable to wear. Different color of the bracelet has different meanings. Band color white stand for making poverty 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 or sport. It is hot sale as a advertisement gift. still be some defects in silica gel material properties . One of the defects of the silicone hand ring is that it can not be restored to its original state after deformation . What is the reason why the silicone bracelet can not be restored after deformation ? One of the reasons for the deformation of silicone bracelets is that the materials used in the production . custom rubber wristbands made of high quality silica gel are not only not easy to deform , but also have good elasticity and are not easy to break . And high quality silicone wristband are healthy and environmentally friendly , and it will not cause harm to human body . The second reason for the distortion of the rubber bracelet is the incorrect way to store it . When we don"t wear silicone bracelets , we should store them properly instead of folding them . Otherwise , the bracelet will deform . The last reason forcolor-wristbands the distortion of the rubber bracelet is it takes too long or too short time to produce . It takes too long to produce and the product is easy to break . On the contrary , the silicone wristband are easily deformed .