Mikasa Shimmer Square Coffee Mug, 13-Ounce The Shimmer Square collection features a clean white background is accented by a thick band of silver and framed with a strong platinum edge This mug is perfect for morning coffee, afternoon tea, or cocoa by the fire Made of high quality bone china for long-lasting beauty This mug holds 13 ounces Dishwasher safe but hand wash recommended; not microwave safe