Keep It Hot Or Cold: The Insulated Tumbler Is Made Of Double-Wall Vacuum Insulation. Keeps Your Drink Hot For More Than 6 Hours And Cold For About 12 Hours. | | Tough And Durable: High Quality Rustproof 316 Stainless Steel Construction Is Dependable Any Time Of The Year. It Is Also Corrosion-Resistant And Oxidation-Resistant, With Excellent Quality, Showing Your Honor. | | Fit Your Life: The Ergonomic Cup Design Is Easy To Grip, Allowing You To Quickly Grab And Go With This Bell Cup, And Can Be Placed In A Car Cup Holder Or On Sports Equipment. The Cup Capacity Is 400Ml-Golden Capacity, Whether You Are Commuting To Work Or Traveling, You Can Always Take Out The Cup To Hydrate, Travel Stress-Free. | | Professional Leak-Proof Design: The Cup Uses A Food-Grade Silicone Inner Stopper, 360Leakproof And Spillproof, Even If It Is Knocked Over Or Stored In Your Backpack, It Won'T Spill, And It'S Easy To Screw On And Off. | | Stylish Accessory: The Bell Mug Has A Pendant On The Top.