Qualified Geologist Mug. Geology Gifts. Graduation Student Gift. Gift for Her. PRODUCT OVERVIEW: This is the perfect gift for your friend, family or colleague. Guaranteed to be one the most unique presents they have ever received. Made from glossy ceramic and hold 11oz. These mugs are manufactured with a high quality printing method and perfectly safe in the dishwasher or microwave. - Made from high quality glossy ceramic - Microwave and dishwasher safe - 11oz capacity & 97 x 82 mm diameter CUSTOMER SERVICE: Please get in touch if you would like to know anything about our products, have any specific requests or concerns. We will always aim to reply within a 24 hour time period. We will do our best to follow through with any of your wishes.