Zulay Kitchen Tumbler

Yes, the double-wall vacuum insulation is highly effective. It is designed to maintain beverage temperatures for several hours, making it reliable for both iced coffee in the morning and hot tea throughout the workday.

No. The interior is electro-polished, which creates a smooth, non-reactive surface. This process is specifically designed to prevent rust and ensure you do not get any metallic aftertaste in your drinks.

The press-in lid is designed to be spill-proof for everyday use, such as accidental bumps or minor tilts. However, it is not leak-proof, so it is best to keep the tumbler upright rather than tossing it loosely into a bag.

The tumbler features a slim profile specifically engineered to fit most standard vehicle cup holders, so you should have no trouble using it during your daily commute.

We recommend hand washing the tumbler to preserve the finish and insulation integrity. It comes with a cleaning brush, which makes it easy to reach the bottom and clean the interior thoroughly.

Not at all. The exterior is sweat-free, meaning condensation will not form on the outside of the cup. This ensures you always have a secure, dry, and comfortable grip.