Premium Quality Materials: Coffee Tumbler For Men Is Made Of Premium Stainless Steel, Which Is Durable, Sweat-Proof And Rust-Proof, And Easy To Wash By Hand. This Dad Tumbler Comes With A Stainless Steel Straw Set And A Non-Bpa Lid | | Double-Walled Insulation Design: With Its Double-Walled Vacuum Design, The Travel Tumbler Cups Can Keep Hot For About 6 Hours Or Cold For About 12 Hours At Room Temperature. Even If The Outer Wall Is Worn, It Will Not Affect The Insulation Effect | | Leak-Proof Lid Design: The Lid Of The Holiday Tumbler Is Equipped With A Silicone O-Ring Seal And A Simple-To-Operate Sliding Opening And Closing Drinking Mouth. Two Straws Are Included, Whether You Prefer To Sip Directly Or Use The Included Straws | | Christmas Dad Gift: Tumbler With Lid And Straw Is A Thoughtful Gift With Commemorative Significance. Not Only Can It Be A Xmas Present For Dad, Birthday Anniversary Gift For Father, Nice Present For Men, But Also A Funny Gift From Wife To Husband | .