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 1/16"(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 istics are soft , comfortable , no odor and bright color . It is a favorite product for many young people . It can be used as ornaments , and can also be used to motivate ourselves . Especially athletes like to wear this kind of bracelet . Silicone bracelets first appeared on athletes"hands . The athletes wear them on their wrists in imitation of cyclist Armstrong . He writes some inspiring words on the rubber wristband coated with his favorite colors or chooses phrases to cheer up his race . Armstrong carefully prepared a charity event . At the event site, Armstrong gave wristbands with all kinds of inspirational words to poor children . Because there were many inspirational languages on the silicone bracelet , for a while , the silicone bracelet was also known as inspirational circle . Over time , silica gel bracelets have spread to the NBA . The color of the players" wristbands is mostly matched with the color of the shirts ingold silicone wristbands the match . The role of the custom bracelets is not that people say they can play a protective role like wristbands , but as an incentive , a kind of mascot to bless themselves . After the propaganda of the NBA stage , many fans and businessmen imitated and produced a variety of personalized arm bands gold silicone wristbands. Manufacturers are also developing and trying various manufacturing processes to bring more brilliant and more suitable awareness bracelets to users . After the evolution of this period , custom bracelets quickly occupied the global market and became popular ornament for many people .