Let us see several kinds sports bracelet. Usually sport player has bigger size of wrist than most of us. So we have to choose the right size. There are 6”(150mm) for toddler, 7”(180mm) for youth, 8”(202mm) for adult and extra large of 210mm, 250mm in circumference and 1/4”(6mm), 1/2”(12mm), 3/4”(19mm), 1”(25mm) in width. We make it all together 2mm thickness. Glow in dark silicone wristband is popular for night event. But it is also good for night walk or run. A glow in dark silicone wristband can glow green or blue after absorbing strong light energy. The glow will fade gradually in about 3h and will recover absorbing light again. UV silicone bracelet is a good choice for out door activities or sports like Climbing, rock climbing, cliff descent, kayaking, diving, sailing and so on. A UV silicone bracelet can transfer it’s color darker under sunshine when absorbing UV light. It transfer to purple or blue normally which indicating the strength of the UV index. Wearing it on the wrist is a good way to avoid long time staying under strong sunshine. A mosquito repellent silicone bracelet is very useful to protect ourselves from the mosquito outdoor. Itgold rubber band bracelet is made from high quality silicone together with lemongrass, lavender, clove and other natural plant oils. And the natural plant oils is the reason why it is mosquito resisting. ts 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 bangold rubber band braceletd 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 .