This 20 - ounce stainless - steel tumbler, designed by Dunbi, is a must - have for KPOP fans. It keeps your drinks at the perfect temperature while you're on the move. The included straw adds extra convenience. Made from 100% stainless steel, it's durable, rust - resistant, stain - proof, and corrosion - free. With dimensions of 9*7*17CM, it's a great size. The plastic lid effectively prevents spills, ensuring your belongings stay dry.

Using this tumbler is easy. Just open the plastic lid, pour in your favorite drink, and close the lid tightly. You can use the straw to sip your drink comfortably. When it comes to cleaning, you can wash it with mild dish soap and warm water. Avoid using abrasive cleaners as they may scratch the surface. To keep it in good condition, dry it thoroughly after each wash. Also, don't leave acidic drinks in it for too long to prevent any potential corrosion. With proper care, this tumbler will serve you well for a long time.