High Quality Materials - The Thermosflask Made With 18/8 Food Grade Stainless Steel, Anti-Rust, Bpa Free. The Bottle Surface Adopts The Wear Resistant Materials, The Service Life Of The Bottle Is Prolonged. | | Keep Hotcold - Double-Wall Vacuum Insulation Technology And Inner Layer Is Coated With Copper, Stay Cold For 36 Hrs,Hot For 24 Hrs. High Capacity, You Can Enjoy Ice Water In The Hot Summer Sun Or Drink Hot Coffee In Cold Winter All Day. | | Leak Proof - Food Grade Silicone Seal Ensure The Totally Sealed Of Bottle Mouth, And Don'T Spill Water. If You Need To Work Outside All Day Or Drive For A Long Time, This Bottle Is The Perfect Choice | | Easy To Clean - You Can Put Your Drinks Into The Bottle, Such As Coffee, Coke, Sports Drinks Or Juice, The Bottle Does Not Leave The Smell Of The Drink After Cleaning. | | Perfect Service - If You Are Not Satisfied With Our Product, Please