PREMIUM 304 STAINLESS QUALITY - Our insulated tumblers are made of 18/8 Food Grade Rust-proof stainless steel instead of cheaper 201 steel finish. Each tumbler with a superior non fading coated finish for maximum durability! SUPERIOR FINISHING INSIDE & OUT - Non fading & long-Lasting Powder coating keep its stay colorful finish and look more elegant and noble Smooth surface will ensure your cups remain pure, Sweat Free giving you a clean tasting drink every time! Electro-polished interior imparting no any smell, giving you a clean and hygienic drinking experience. UPGRADE LEAK PROOF SLIDING LID: With so many ordinary lids available on the market we wanted to set ourselves apart and offering this upgraded sliding lid.Easy slide opening to access your beverage and keep splashes at bay. Extra sealed and the lid cover provide maximum insulation capability. Straw hole on the top for easily sipping. Through durable clear lid, you can easily see how much of your drink have left Please Visit My Store Additional Hand Made Decor my goal is to ensure your pleased with your purchase. https://www.ebay.com/str/elegantcandlesstudio Ships within 5 days of Purchase First Class Mail USPS