be customized in all pantone colors. Black and white is the most popular. Size can be adult and youth. We can print a logo on the central part of it. Different band colors stand for 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. Capacity can be 512MB, 1GB, 2GB, 4GB,kid cudi rubber bracelet 8GB, 16GB, 32GB,64GB. Operating Temperature is -32°F to 140°F (0°C to 60°C). Storage Temperature is -4°F to 185°F (-20°C to 85°C).kid cudi rubber bracelet Read speed 18M/S,write speed:3.8M/S (USB2.0). Working voltage is 5V with wrking power 300mA. Guaranteed 2 ear warranty. Operation system Windows 98/ SE /ME /2000 /XP/ 7/ Vista, Linux 2.4.x, Mac Windows 7, etc. The advantage of our product. 1. Make logo according to customer"s design, 2. File preload, files can be non-erasable. 3. Advertisement files Auto-play once USB was plugged into the computer. 4. Website auto pop-up once USB was plugged into the computer. 5. Disk partition. 6. Password protection. 80s-rubber-braceletsrecycled-silicone-wristbands se is not well controlled, complications will occur in the future, such as heart disease, coronary heart disease, cerebrovascular disease, retinal vascular disease, renal arteriosclerosis, limb arteriosclerosis, etc. Silicone wristband is not only used as promotional gift, but also as a medical tool. Medical id bracelets is commonly used. It is a high quality silicone bracelets with the ID printed on. We can print bar code, QR code or unique serial number together with some detail of the medical institute. Usually the wristband width need at least 15mm so that the code is clear enough to be scaned. We you scan the code with a phone, the detail of patient name, disease, status will show up. It is a good help for doctor and patient to know the treatment. All the medical bracelets should made from 100% silicone which is harmless and eco friendly to avoid secondary injury to patients.