Keep Coffee Hot Or Cold For Hours: The Travel Coffee Mug Is Designed With Double-Walled Vacuum Insulation That Keeps Your Coffee, Tea, Or Any Other Hot Or Cold Drink At The Perfect Temperature For Longer. It Keeps Your Hot Drinks Hot For Up To 8 Hours And Your Cold Drinks Cold For Up To 6 Hours, Allowing You To Enjoy Your Favorite Drink At Any Time Of The Day. | | Health Material: The Inner Of Our Insulated Coffee Mu Is Made Of 304 Stainless Steel,Which Is A High-Quality And Food-Grade Material That Ensures Your Drink Stays Safe And Healthy. And Rust-Resistant.A Silicon Sleeve Covered The Thermos To Provide A Comfortable And Slip-Resistant Grip. Bpa-Free And Safe For You And The Environment. | | Leakproof And Spill-Proof: The Stainless Steel Coffee Mug Come With A Screw-On Sealed Lid That Ensures Your Drink Won'T Spill If It'S Knocked Over Or Stored In A Bag. The Lid Has A Tight Seal With A Sealing Ring To Prevent Leaks And Spills, And It Is Easy To Screw On And Off. The Drink .