[Premium Quality] Tumbler Is Made From Highest-Quality 304 18/8 Food Grade Stainless Steel Which Is Without The Threat Of Toxins.The Premium Material Is Durable And Will Not Leave Any Color And Taste Of Any Beverage | | [Vacuum Insulation Technology]The Newest Double Wall Vacuum Insulation Technology Make The Tumbler Keep Your Favotite Beverage Cold Or Hot For Several Hours.With The Tumbler, Your Hand Will Not Feel Uncomfortable With The Tempreature Of The Drink | | [Well Design]The Body Of The 30 Oz Tumbler Could Fit Most Cup Holders.The Colored Powder-Coated Exterior Makes The Coffee Travel Mug Resistant To Rust, Sweat-Proof, And Stylish. It Is Comfortable For You To Grip The Tumbler With The Humanlized Design | | [Bonus Accessories]Straw,Straw Brush And Cup Brush Will Ship To You Together.The Great Value Combination Could Not Only Save Your Time And Money, But Also Make Cleaning More Easier | | [100%