Color masterbatch is the functional material for colors of the wristband. Pigment, carrier, additive is component of color masterbatch. We add it at the same time with curing agent to silicone plastic. Color masterbatch makes pigment has better dispersion in the product, keep chemical stability and stability of color. If the logo is colored, the silicone printing ink will be used. Silicone printing ink is suitable for silicone plastic product, the logo will be durable with the ink. What contains in the ink ?custom key lanyard They are silicon dioxide, pigment, silicone oil and solvent. When the ink is dried, some of the component will evaporates. Glowing powder is a kind of rare earth that absorbs and store light energy, and release light in the dark. We will add it to a glowing wristband. The glow light last several hours and it is recyclable. event-wristbands-walmartpolynesian-wristband-custom key lanyardtattoo-designs 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 infant. 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.