Normally you can buy the silicone wristband at below common dimensions. General size (adult): 8 "(L) x 1/2" (W) x 1/16"(H) or (202 MM x 12 MM x 2 MM) Women"s Dimensions (Adults): 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) But we also can offer below extra large silicone wristbands. 8.25 "(L) x 1/2" (W) x 1/16"(H) or (210 MM x 12 MM x 2 MM) 8.65 "(L) x 1/2" (W) x 1/16"(H) or (220 MM x 12 MM x 2 MM) 9 "(L) x 1/2" (W) x 1/silicone wristbands for schools16"(H) or (230 MM x 12 MM x 2 MM) 9.85 "(L) x 1/2" (W) x 1/16"(H) or (250 MM x 12 MM x 2 MM) For the width,you can choose more than 1/2" (12mm). Such as 3/5"(15mm),3/4"(19mm) and 1"(25mm). Surely,if you have other extra large size need to do. We also can make the mould to do for you! So,any size will be ok! silicone-wristband-usb-flash-drivecheap-silicone-wristbands-canada We are professional id bracelet maker with years of experience. We can make id bracelets for infant. All the bracelets should made from 100% silicone which is harmless and eco friendly to infantsilicone wristbands for schools. We can make it small size as 130mm for infant. 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. When you scan the code with a phone, the detail of patient name, address, status will show up. It is a good help for doctor and patient to know the treatment. Order over than 100 get 100pcs wristbands free & 10pcs keychains free. Order less than 100 get 50pcs wristbands free & 5 pcs keychains free. Welcome to place an order here.