I'm selling this because I haven't had a chance to use it. It's new and unused. A set of a special cup and a frother for frothing heated milk in the microwave. - Brand: STARBUCKS - Product Name: Milk Foamer & Cup - Capacity: 100ml - Contents: 300g - How to Use: Heat in the microwave, then froth with the frother - Key Feature: The tip of the frother is distinctive