haracteristics . 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 edgemadonna rubber braceletss 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 . weat from flowing into players"hands and causing the phenomenon of sliding balls . Because it is made of high-grade and environmentally friendly silica gel , it can effectively absorb sweat from human body and prevent sweat from flowing into players"hands to cause the phenomenon of sliding balls . 2.In order to facilitate team identification . Street basketball is popular in the United States. As unknown players , in order to cooperate in the game, they need to distinguish who is their teammate , and their mark is the color of wrmadonna rubber braceletsist band .Street players often have four to five different colors of wristbands in their pockets for the convenience of team formation . 3.To convey the wearer"s beliefs .Nowadays , people have more speech rights , and there are many ways to express their thoughts and beliefs . Because the DIY of cute rubber band bracelets is very flexible , it can engrave LOGO words that people want to express on the wristband , so as to achieve the function of conveying beliefs by the wristband . So silicone bracelets are being sought after by more and more people . Silicone bracelets have a variety of colors and styles . People can choose their favorite colors and styles according to their own preferences . Wearing your own clothes after wearing silicone wristband can play a very good decorative role .