The glow powder is eco as well as the silicone material bracelet. When absorbs enough strong light before being put in the dark, it glows blue, green or red depending on the style of the glow power. The glow will last for hours and gradually weaken. But when reabsorbs the light , it glows again like original shows. It is the most favorable item for the night event. It looks so good in the dark reflecting the logo custom. Hope this can help you for the glow in dark silicone bracelets. Different color of the bracelet has different meanings. Band color white stand for making poverty history. Yellow stand for livestrong. Black and white stand for standing up and speaking up. Blue stand for beatting bullying. Pink stand for supporting knowledge strength. Blue and white stand for one world one cause Blue and green stand for say no to sectarianism. Most of the silione bracelets are of no meanings , people wear it just as a popular jewellery. armbands is made of high quality environmental 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 generally 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 ,make your own silicone bracelets even when burning , it will only decompose into silica and water vapor , non-toxic and make your own silicone braceletsharmless . 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 .