Used a few times. This is a 3-piece set. The Glaze Works mugs create a unique pattern by layering glaze. The time-consuming process results in a texture and design that is rarely seen elsewhere. The vintage-like finish, with the overlapping glaze creating a mottled appearance, is its charm. Product Name: Glaze Works Mug Colors: Green, Purple, Black Size: Approx. φ9.1 x H9cm, 350ml Country of Origin: Japan Material: Porcelain Care Instructions: Microwave safe, Oven not safe, Dishwasher safe Retail Price: 1,100 yen (tax included) Condition: Used 1-2 times each. Due to the nature of the glaze, the color and texture may vary from piece to piece. ★Please refrain from purchasing if you are looking for a service like new, are very sensitive, or are seeking perfection. ★We do not negotiate prices. Please understand.