Details: HANDMADE: Made on a potters wheel by hand in the Castle Arch Studio workshop in Kilkenny Ireland. Each coffee mug is individually inspected for quality of color and finish before leaving the studio for loving homes around the world DURABLE: These mugs are designed to be enjoyed and used on a regular basis. They are hand-glazed in a high temperature two stage firing to bring out the stunning colors and make the mugs robust for everyday use. Safe to use in dishwasher and microwave, do not use in oven. Dishwasher and Microwave safe. UNIQUE DESIGN: These coffee mugs are an original design by the Master Potter in the Castle Arch Studio, perfect for wrapping your hands around. Each mug has a beautiful and simple Celtic Spiral logo on the outside which look great with the overall design of the pieces. SET of Two Mugs. Handmade In Ireland.