comes the answers. The silicon rubber is eco to human beings. The test report shows that it can reach the authority standards. Such as Regulation (EC) No.1907/2006 , European RoHS directive 2011/65/EU and It’s Amendment Directives , Annex XVII of Regulation (EC) No.1907/2006 , US ―Consumer Product Safety Improvement Act 2008 , US ―Consumer Product Safety Improvement Act 2008 , US California Proposition 65 and Assembly Bill No.1108 and Germany GS Mark Certification — Polycyclic aromatic hydrocarbons . Some material that is harmful like Crhow to make cool rubber band bracelets(VI) and Polybrominated Biphenyls & Polybrominated Biphenyl Ethers (PBBs & PBDEs), Bis (2-EthyylHexyl) Phthalate (DEHP), Dibutyl Phthalate (DBP), Benzyl Butyl Phthalate(BBP), Di-Iso-Butyl Phthalate (DIBP) can not be found or the content is much less than the standard request. breast-cancer-awareness-wristbandswhere-to-buy-wristbands how to make it. it is made by machine. 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. Using cohow to make cool rubber band braceletsupon SAVE10, we offer 10% dicount for the total price. Besides, 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.