Color Changing Mug "Smile" in 11oz and 15oz Bring a sense of magic and wonder to your breakfast table with this new age mug! Changing color right before your eyes it brings a sense of fun and curiosity to those around you. Coming in 11oz and 15oz sizes, this mug is the perfect way to enjoy your favorite warm drinks in style! Made in the USA and ships free to USA Addresses. Color changing "Magic Mug" available in 11oz or 15 oz sizes. Ceramic mug decorated with full wrap The graphic is revealed when hot water is added Black mugs are a slightly softer black than it appears where the design is printed Not dishwasher safe; Microwave safe .: White ceramic.: 11oz. and 15oz. .: Rounded corners.: C-handle (description exceeds maximum possible length)