bber wrsitbands, we sell it all over the worlds, mainly US and EUR market. The first rubber wristband came to the world in US 2005. It is the yellow “LIVE STRONG” silicone rubber wristband resisting cancer. LIVESTRONG rubber wirstband was adorned by Armstrong who suffer from cancer. He shows us the strengthen and brave facing the disease. From then on, it become a promotional item widely used. Now we can also make our message to express our desire on a custom silicoen wristband. The market is large since the wristband can be used almost in all fields. It is slighly costomized. We can put the logo and slogan on it and it is easy to read. Like in daily life, we make rubber wristband for team sports, birthday party, anniversary, wedding and so on. For bussiness promotion, we make it for trade show, school camp, fundraising and so on. Big sales now order over than 100 get 100pcs wristbands free & 10pcs keychains free. Order less than 100 get 50pcs wristbands free & 5 pcs keychains free. 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 rateusb wristband wholesale 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 pullusb wristband wholesaleing 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 .