Strike a chord with the music lover in your life with this Treble Maker Coffee Mug - the perfect gift for those who appreciate a touch of musical whimsy! Large 15oz coffee mug double printed on both sides so it's perfect for both lefties and right handed adults Dishwasher & Microwave Safe - Permanently printed in our small Colorado, USA shop so it's a gift that will last for years of regular use as their morning coffee cup. Fun and useful gift, whether you're at the house or at the office, outside on the patio, or drinking from the couch at home this will make a perfect present. Coffee Stays Hot - Ceramic allows for slower conduction allowing for all coffees, cappuccinos, espressos, and teas to stay warm longer. Treble Maker Coffee Mug - Funny Musician Gifts for Women and Men - Fun Unique Musical Decor - Large 15oz White Ceramic Mug