This music note mug features the phrase 'Shut Up'. Makes a great retirement or appreciation gift for a music teacher, band teacher, or choir teacher! - Printed in the USA with a high gloss and premium white finish. - High quality sublimation printing. - Printed on both sides. Great for right or left handed people! - Dishwasher and microwave safe. Printed with ceramic inks that won't fade. - 11oz with traditional C handle.