ss , so the products produced appear performance defects and practical function is reduced . Some customer are holding ready-made products for Soft-hardness comparison directly and then choose one of them . In nowadays the custom silicone bracelets is one of them. So how to choose the hardness for custom silicone bracelets . The choice of softness and hardness of silica gel will have different effects on the properties of different products . At present, the hardness of commonly used silica gel hand rings is between 40 degrees and 60 degrees and material with different hardness has certain difference . For example , the tensile rate of 40 degree materials will reach about 150% , and the tensile rate 60 degree materials can only reach about 80% . So in order to confirm the functionality of products , we have to test them . It is more difficult to produce high hardness silica gel hand rings . For the manufacturers of silica gel hand rings , the higher the hardness , the higher the defective rate of the products and the pulling force of the products will also be affected and will cause fracture phenomenon at any time . Therefore , we suggest that the hardness of the silica gel hand rings should not be too high . Different size is available for adult，youth or baby. The logo can be printed, debossed or embossed as your request. Choose your favourite colors and make the band color solid, swirl or segment and even make it UV transfer or glow in dark. Energy rubber bracelte is one of the rubber bracelet made from rubber which is blending the energy powder in the manufaturing process or insert energy particle after manufaturing. Energy rubber bracelets is popular in the United States first and then all around the world. Energycheap custom keychains rubber bracelet is made with the characteristics of rubber like tasteless, non-toxic, long life, does not stimulate the skin, good flexibility. The energy bracelet can be customized as debossed, embossed or plain printed style. The combination of a variety of fashion elements make cheap custom keychainsthe rubber bracelet become popular fashion jewelry.