RTIC and Island Bum are a good match. Our stainless steel, 20oz tumbler is the ideal travel companion for drinks on the go. Ideal for the beach as it keeps your drinks ice cold longer and also works great for hot beverages. Splash proof lid is included with flip-top closure that resists spills and is straw friendly.
Double-wall vacuum insulation for maximum temperature retention
Keeps cold drinks cold and hot drinks hot
No Sweat Exterior - outside stays dry so no need for a coaster