12mm. We can make circumference 66mm or 76mm. Other options like logo styles, colors are same. We can put the logo or sologan on the bracelet. But it has to be short enough. Even it is small item, it contributes to memorials, awareness, cross-fit, team sports, holiday decoration, party favors, fundraising, company event etc. Another function of the finger bracelet we can put it around the cylinder to increase friction when we put it in hand. Usually it is used on the electronic product as gift. Big sales now of 10% discount using coupon code SAVE10. Order over than 100 get 100pcs wristbands free & 10pcs keychains free. Order less than 100 get 50pcs wristbands free &silicone id bracelet 5 pcs keychains free. Welcome to place an order here. lica. Its chemical property is stable, and it does not burn. Chemical formula is xSiO2?yH2O. Silica gel contains organic silica gel and inorganic silica gel. Inorganic silica gel is a highly active adsorption msilicone id braceletaterial. It is usually prepared by reaction of sodium silicate and sulfuric acid, and a series of post-processing processes such as aging and acid bubble. Household use desiccant, humidity regulator, deodorizer belongs to inorganic silica gel.Organic silica gel is an organosilicon compound. It refers to a compound containing Si-C bond and at least one organic group, which is directly linked to silicon atoms. It is mainly divided into four categories: silicone rubber, silicone resin, silicone oil and silane coupling agent. There are 4 types of silicone products, moulded silicone products, extruded silica gel products, liquid silica gel products and special silicone products. Silicone rubber is one of organic silica gel and it is one of the moulded silicone products Temperature resistance, weatherability, electrical insulation performance, Physiological inertia, Low surface tension and low surface energy are the outstanding characteristics of organic silica gel. The one we use to make bracelet is named polysiloxanes di-Me Me vinyl vinyl group-terminated chemically. We add curing agent to the soft original silicone rubber and mix them evenly, then put it to molding machine with high temperature of about 200℃, a few seconds later the silicone rubber gets solidified. Here comes the silicone bracelet with custom logo by mould. Characteristic of the silicone rubber stay same on the process but it get more strengthened. Memorial bracelet is the one to express our feeling of nostalgia for people or things. We can make what you want to memorize on the bracelet. It is awareness bracelet also. When you see the bracelet, it will remind you of what need to be always think of. In honour of the person who pass away, usually people will customize memorial bracelet for fundraising on funeral. This bracelet is usually colored in black and printed with the name of the person and a ribbon. Also for good things, we made a couple of bracelets for wedding ceremony. Guest present their best wish to the happy couple wearing the pink bracelet printed with couple name and wedding date. Other memorial bracelets are for the the event like graduation, historical events and so on. We can make it in different colors and logo styles. Pls refer to our website.