Double Walled Vacuum Insulated Technology Keeps Beverages Hot Or Cold For 12 Hours, Inner Coating For Better Temperature Retention. A Unique Bottle That Makes Pouring Completely Hassle-Free And Spill-Free, Rustproof. Condensation & Sweat / Straw Free Thermal: No Condensation On Outer Body Even While Carrying Icy Cold Water, Completely Sweat Free.

Keep Heat And Cold: Double-Layer Vacuum Insulated Travel Mug Is Made Of Excellent Heat Insulation Material, Which Can Keep Hot And Cold Liquids (Water, Coffee, Tea) At Low Temperature For 6 Hours And Keep Warm For 6 Hours. It Is Also Made Of Bpa-Free Materials And Can Be Safely.