Keeps Iced And Hot For Hours: Crafted From Highest Quality Food-Grade 304 Stainless Steel And Is Bpa-Free. Double-Layer Vacuum Insulation Technology Keeps Coffee, Tea And Other Beverages Hot Or Cold For At Least 4-5 Hours With The Lid Closed | | 100% Leak-Proof And Spill-Proof:Screw-On Detachable Lid Design With A Sealing Ring, Ensuring Excellent Leak And Spill Resistance. It Is Very Convenient For Commuting And Traveling, With A Flip-Top Button On The Lid For Quick Drinking Access | | Fit Car Holders And Coffee Machines?Portable Coffee Tumbler Reusable Is Available In Two Sizes:380 Ml/12 Oz And 510 Ml/17 Oz.Perfectly Fits Car Cup Holders And Various Coffee Machines, With Multiple Color Options Available | | Non-Slip Silicone For Easy Grip: The Middle Of Insulated Coffee Mug Features A Textured Silicone Sleeve For A Comfortable, Non-Slip Grip. The Base Also Includes A Non-Slip Pad To Prevent Sliding And Tipping. | | Easy To Clean: Travel Coffee Mug With Wide Opening, Smooth.