This funny introvert mug with the phrase 'When I Think About Books I Touch My Shelf'. Makes a great birthday or Christmas gift for a book lover! - 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 or 15oz with traditional C handle Packaging: Packaged in cardboard box with foam inserts to protect the product during shipment.