Zojirushi Vacuum Mug

No, this mug is made of stainless steel and is not microwave safe. You should only use it to hold beverages that have already been heated or cooled to your desired temperature.

Yes, the flip-open lid features a safety lock that keeps it securely closed, preventing accidental spills while you are on the go. It is designed to be leak-resistant, making it a reliable choice for tossing into a work bag or backpack.

The stopper is designed to disassemble completely, which makes it very easy to clean thoroughly. This ensures you can reach every nook and cranny to prevent residue buildup.

The nonstick coating is food-safe and designed to be neutral, so it should not impart any metallic or chemical taste to your beverages. It primarily serves to make the mug easier to rinse out and keep clean.

Yes, the mug features a wide mouth specifically designed to accommodate standard ice cubes easily, so you can keep your cold drinks chilled for hours.

Absolutely. The air vent on the mouthpiece allows air to enter the mug as you sip, which ensures a smooth, consistent flow of liquid and prevents the sudden gushing or overflowing that can happen with vacuum-sealed containers.