It contains many things more than rubber and different kind has different component. Let me show you the details. Rubber plastic is the main component. There are many kinds of rubber plastic for different fields of industrial product. Silica gel contains organic silica gel and inorganic silica gel. Silicone plastic is one of organic silica gel. 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 wristband is named Polysiloxanes di-Me Me vinyl vinyl group-terminated chemically. We add curing agent to the soft original silicone plastic and mix them evenly, then put it to molding machine with high temperature of about 200℃, a few seconds later the silicone plastic gets solidified. Here comes the silicone wristband with custom logo by mould. Characteristic of the silicone plastic stay same on the process. All of our products are made from 100% high quality silicone plastic, eco-friendly, comfortable to wear and durable. 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 ? 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 wbuild your own wristbandristband. The glow light last several hours and it is recyclable. what-are-those-rubber-band-bracelets-calledsilicone-build your own wristbandwristbands-edmonton e bracelet is good item for promotion and other event. Its advantage is low price and durable and comfortable to wear and easy way to meet the request. We can make all kinds of rubber wristband, you may choose the best one you like. You make refer to our category page. It show the detailed feature of the wristband styles. Finally you can place an order on oder now page. It is easy to design it follow the steps. Send us the detail of the design, we will make a digital proof free, no matter you order or not. No MOQ, NO Tax. Order less than 100pcs, get 50pcs free and 5pcs keychains free. Order 100pcs or more, get 100pcs free and 10pcs keychains free. All the free wristbands and keychains are same design of the one you order. 10% discount is being offered use coupon code SAVE10. ll still be some defects in silica gel material properties . One of the defects of the silicone hand ring is that it can not be restored to its original state after deformation . What is the reason why the silicone bracelet can not be restored after deformation ? One of the reasons for the deformation of silicone bracelets is that the materials used in the production . custom rubber wristbands made of high quality silica gel are not only not easy to deform , but also have good elasticity and are not easy to break . And high quality silicone wristband are healthy and environmentally friendly , and it will not cause harm to human body . The second reason for the distortion of the rubber bracelet is the incorrect way to store it . When we don"t wear silicone bracelets , we should store them properly instead of folding them . Otherwise , the bracelet will deform . The last reason for the distortion of the rubber bracelet is it takes too long or too short time to produce . It takes too long to produce and the product is easy to break . On the contrary , the silicone wristband are easily deformed .