Featuring the Aperture numbers which are like a secret code for photographers. A colourful companion for your favorite brew. Look for the matching accessories. Great gift idea for photographers both men and women.  100% ceramic, Capacity: 11 fl oz. Full-color (inside and outside). Hand Wash Only.  Do Not Place in Microwave.  Lead & Cadmium free. Printed and processed in the USA. One size. 3.94 inches by 3.15 inches. 3 colours - Black, Red or Blue. Shipping worldwide.