Premium travel tumbler Our travel tumbler is made from 18/8 food grade stainless steel, which is lead free and durable, electro-polished on the inside to ensure your cups remain pure, rust-free, no-metal flavor, giving you a clean tasting drink every time Durable material allows you say goodbye to replace cheap cups. This sturdy travel tumbler set can be last for many years Superior powder coated finish Coated finish makes your tumbler will always feel smooth to the touch and keep its stylish colorful finish. No rust or scratches like painted exteriors. What's more, our tumblers use sweat-free design which prevents sweating and condensation, making sure it never leaves a spot and you never burn yourself again Double-walled vacuum insulated Vacuum insulate stainless steel body and purely