, UV promotional rubber 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 custom silicone wristbands no minimum orderin 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 . Glow in dark sicustom silicone wristbands no minimum orderlicone wristband is popular for night event. We add luminous powder into the wristband so it glows. A glow in dark silicone wristband can glow green or blue after absorbing strong light energy. We need to take it under the sunshine or lamp light for about half hour. Then it glows strongly in the dark. The glow will fade gradually in about 3h. It is the best one for night event. Such music show, night walk and so on. If you want the glow stronger, the wristband color need to be weaker. Because it is easier to absorb and release glowing. We have 7 colors for it now. 293c for blue, 802c for green, 803c for yellow, 804cfor orange, 179c for red, 196c for pink and 2655c for purple. The logo can be debossed, embossed or printed on the glowing wristbands.