y 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, taboo drugs, status will show up. It is a good help for doctor and patient to know the treatment. It will be good help for hospital to manage patients. All the medical bracelets should made from 100% silicone which is harmless and eco friendly to avoid secondary injury to patients. If the medical id bracelet is embeded with a chip, it will note down the information of exercise, heart beat and sleeping. Then trafer it to the phone app. It contribute to health care. Order less than 100pcs, get 50pcs free and 5pcs keychains free. Order 100pcs or more, get 100pcs free and 10pcs keychains free. All the free wristbands and keychains are same design of the one you order. General size (adult): 8 "(L) x 1/2" (W) x 1/16"(H) or (202MM x 12MM x 2MM) Women"s size (adult): 7.5 "(L) x 1/2" (W) x 1/16"(H) or 190 MM x 12MM x 2MM) General size (children): 7 "(L) x 1/2" (W) x 1/16"(H) or (180MM x 12MM x 2MM) 61/2 "(L) x 1/2" (W) x 1/16"(H) or (165MM x 12MM x 2MM) The maximum screen printed and engraving area for adults is 7.677"X 0.334" The maximum area of screen printing and engraving for children is 7.00"X 0.334" As for width, commonly used are: 1/4 "or 6MM 1/2 "or 12MM 3/5 "or 15MM 3/4 "or 19MM 1 "or 25MM bracelet-silicone-personnalise-montrealembossed-wristbands or debossed infil style bracelet. 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 stancolorfilled wristbancolorfilled wristbandsdsding 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.