High-Quality: The Double Vacuum Hot Water Bottle Is Lined With 18/8 Stainless Steel. The Outlet Valve Is Made Of Food-Grade Material, Free Of Bpa. Good Material Ensures A Longer Service Life Of The Product, Better Performance In Terms Of Resistance To Oxidation And Corrosion, And Avoids The Generation Of Odors. The Travel Water Bottle Is Equipped With A Sponge Brush For Daily Cleaning | | Convenient Multi-Purpose Lid: The Thermo Features A New Screw Top Design That Is Leak Proof So You Can Carry It In Your Backpack Without Worrying About Any Leaks. The Lid With D-Ring Doubles As A Serving Cup While Being Easy To Hang On Your Backpack For More Scenarios | | Good Choice: Our Vacuum Insulated Water Bottles Can Store Hot And Cold Liquids (Water, Coffee, Tea, And Other Beverages) For About 12 Hours. There Are 6 Beautiful Macaron Colors For Vacuum Insulated Bottles, And Two Specifications To Choose From (538Ml/18.2Oz, 648Ml/22Oz), Suitable For Everyone. I Believe You Will Find What Y.