24hourwristbands silicone wristbands are made of 100% industrial strength polished genuine silicone, unlike the flimsier and lower-quality rubber bracelets offered by others. Our wristbands are manufactured to the exact specifications and quality of the popular Lance Armstrong's Live Strong bracelets, --the same thickness, the same deboss depth, and the same durability. We are so confident that you will love the quality of our silicone bracelets that we back it up with GUARANTEE.