a wide temperature range. Both the chemical properties and physical properties fluctuate slightly according to temperature. UV and ozone can easily decompose the silicone. Organic silicon has better thermal stability and resistance to radiation and weather resistance than other polymer materials. It has a service life of up to several decades in the natural environment Silicone is one of the most unreactive compounds. They are resistant to biological aging without rejection of the animal body. As we can see, that why the silicone bracelet so comfortable and durable to wear. Different color of the bracelet has different meanings. Band color whitenike silicone wristbands 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. Also a silicone bracelet can be used as a promotional item for entertainment or sport. It is hot sale as a advertisement gift. mould for the wristband. 3. Color and rubber mixing. 4. To produce wristbands by the mould. 5. Quality checking. The unqualified product should be picked out. 6. Edge cutting. 7. Packing and delivery. We make all the designs for free. If you need to put your logo on wristband, JPG, PDF or AI file is appreciated. Our designer is skilled to transfer it into the digital proof. We will make it to your satisfaction. All we do for designing is free no matter you place the order or not. Besides we can send you photo physical sample before mass production if necessary. Regular sizes of a silicone wristband are 6”(150mm) for toddler, 7”(180mm) for youth, 8”(202mm) for adult in circumference and 1/4”(6mm), 1/2”(12mm), 3/4”(19mm), 1”(25mm) in width. We make it all together 2mm thicknesnike silicone wristbandss. Regarding with the circumference, it is the most important factor to choose size in our order. It is the average sizes for toddler, youth and adult. The direct way to choose size is to measure the size of your wrist before selecting.