UV silicone wristband. 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. We add UV powder which is also green as silicone in production. Besides the logo, we can personalize the wristband size as well. The normal size is 202mm length for adult, 190mm for women, 180mm for youth and 150mm for child. The width can be 6mm, 12mm, 15mm, 19mm or 25mm. cool-rubber-wristbandscheap-wristbands-for-events ental protection silica gel combined with natural plants such as mosquito repellent essential oil . It has good elasticity and flexibility . There are absolutely no harmful chemical components such as mosquito repellent amine in the bracelet . It is safer and more environmentally friendly . It has strong mosquito repellent effect and natural freshness . Adults and children can easily wear them on their wrists without feeling too tight or loose. And colorful colors make it a very popular one . After learning what is mosquito repellent silicone bracelet . What are the advantages of mosquito repellent silicone bracelets ? 1.High temperature and low temperature resistance : The use temperature of silica gel is generallycustom logo keychains 0℃ ~160℃, while the temperature resistance of raw materials is - 40℃ ~230℃, which is far more than that of food plastic products . The use process is safe , even when burningcustom logo keychains , it will only decompose into silica and water vapor , non-toxic and harmless . 2.Silicone wristband are easy to clean , oil-resistant and impermeable . They can be washed in dishwashers and are easy to use . 3.The wristband itself has certain tension and softness , so it is easy to deform and recover immediately . The silicone wristband has the advantages of high temperature resistance , non-deformation , non-toxicity , odorless , no side effects on human body , long service life , etc .