The common sizes of silicone bracelets are as follows: Adults: 8"(L) x 1/2" (W) x 1/16"(H) or (202MM x 12MM x 2MM) Teenagers: 7 (L) x 1/2 "(W) x 1/16" (H) or (15MM x 12MM x 2MM) Children: 6"(L) x 1/2" (W) x 1/16"(H) or (150MM x 12MM x 2MM) We can make 1/4 inch (6MM), 3/4 inch (19MM), 3/5 inch (15MM) and 1 inch (25MM) in addition to 1/2 inch (12MM). In addition, we can also make larger sizes, such as XL silicone bracelets. The length can be 8.2 inches (210mm), 9 inches (210mm), 9.8 inches (250mm). XL silicone bracelets can also make longer lengths, depending on the customer"s requirements. anti-bullying-silicone-braceletssilicone-wristbands-online o is to make the design. We are professional rubber bracelet maker, slap wristbandslet me show you how to make it. We need to prepre the materials before production. It is silicone rubber, color masterbatch and vulcanizing agent. We need to mix them together in a blender. Other things we need is a mould for debossed/embossed style or film for printed style. Then we will put the material into machine of about 200 degree centigrade. After 30s, the bracelets come out. Then we will cut the edge to be smooth. If there is colors on the logo or text, need to fill the colors or print it on. This is the rough process to make rubber band bracelets. All the bracelets can be customized. The color of wristband and logo and styles. When you are in our website, you can see, it is easy to make your own design from the intruction. Choose the style from debossed, embossed, colorfilled, printed, embossed , dual layer, figured and full color. Choose the size from 202mm for adult, 180mm for youth slap wristbandsand 150mm for toddler. Width from 6mm, 12mm, 19mm and 25mm. Choose the color for bracelet and logo and enter the logo and message on bracelet.