EXTREME TEMPERATURE RETENTION - The El Cocinero Tumbler utilizes double-wall vacuum technology maximizes temperature retention that traps the cold in your beverages for 24 hours and the heat for up to 6 hours! The thermal insulated design keeps the flavor and freshness of your drink while preventing any temperature transfer to the exterior. No matter what the contents - hot tea, coffee, or an ice-cold beverage, the feel on this stainless vacuum tumbler remains constant!
 
LEAK PROOF: Comes with Straw Lid and Slide Lid to prevent leaks. Our tumbler have a durable clear lid and a straw, you can easily see how much of your drinks have left. And have a No Sweat Design to make sure your hands stay dry.
 
CONVENIENT & CUP HOLDER FRIENDLY – This slim tumbler is straw friendly and the base will fit most car, vehicle, bike, and boat cup holders and with a large 30 oz capacity, this stainless steel cup with straw is perfect for your coffee or extra-large cup of joe! Corners are rounded so there are no hard angles where dirt can hide. Easy to use, easy to clean, and best of all: environmentally green.