Big Frigs 30oz tumbler is the foundation of their drinkware collection with several different colors available. The tumbler's design has been engineered from the inside-out to ensure it's ready for any challenge you throw at it. Corrosion-resistant 18/8 stainless steel (a.k.a. 304 stainless steel for you fabricators out there) is cold worked for durability and vacuumed sealed for superior insulation. The inner wall is copper lined for more even temperature distribution within your beverage of choice.
5+ Hours Hot
50+ Hours Cold
Fits Most Cup Holders
Dishwasher Safe
Sliding Lid Included