bber wristbands , glow in the dark promotional rubber wristbands and so on . Each type of bracelet has its own characteristics . Such as the glow in the dark silicone wristbands can shine in the dark when it absorb enough light , the UV silicone wristband will change its own color when it absorb ultraviolet rays . Due to different production processes , There are also differences in the quality of rubber band bracelets . Is there any good way to distinguish the quality of rubber bracelet ? Of course , just like the traditional Chinese medicine treatment in China . We can also use four methods to judge the quality of silicone bracelets: look, smell, ask and touch . 1.Look ( Appearance of rubber band bracelets ) Check if there are any dirty things inside the silicone bracelet , such as some color deviation , printing errors , whether the diameter of the bracelet is regular , whether the edge of the bracelet has surplus colloid . Generally, the edges and surfaces of high quality silicone hand rings are very smooth . 2.Smell ( The odor of rubber band bracelets ) Silicone bracelets are generally odorless. During the test, we can use fire to burn silica gel bracelets, high quality silica gel bracelets the residue after combustion is powder . The inferior silica gel bracelet has a bad smell after burning . 3.Ask ( Raw materials for rubber band bracelets ) We can ask the supplier whether silicone bracelet are made of pure silica gel . 4.Touch ( Touch the surface of silicone wristband ) The surface of high quality rubber band bracelets is very smooth and it"s very elastic . Sirubber braceletslicone wristband has a history of 15 years and it play important role in our daily life. 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 Armstrorubber braceletsng who suffer from cancer. He shows us the strengthen and brave facing the disease. Now we can also make our message to express our desire on a custom silicoen wristband. It is for memorials, anniversary, fundraising, charitable causes, political campaigning, school organizations, holiday decoration and so on. The silicone rubber is eco friendly material. Silicone bracelet is a real green jewelry with wear-resistant , high temperature resistance, no deformation and no side effects on body.