e 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 blank wristbandsband 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 . Custom silicone bracelets contribute to promotional events. We usually make a bracelet with our own message on. So it become meaningful to our own events. Like for holiday decoration, we can make wristbands. We make customized bracelet in Saint Valentine"s Day to show loves to the one you love. When Christmas Day comes, we make it to show our devout to god. And to show our respect and thanksgiving to parents on Father"s Day and Mother"s Day. On the birthday party, we give our own bracelet to friends as gifts, receiving wishes from all of them. On the camp, we give bracelets to pupils the camp bracelet to remind them the theme of camp. For basketball or football teams, we make relationship bracelets for their player. The player name, number and the team slogan can be printed on it. It help to bulid a stronger team. We can also make the custom bracelet for Anniversary, Fundraising, Charitabblank wristbandsle Causes, Political Campaigning and so on.