Look at these two mugs! The first mug shows what the mug looks like when it is cold. The second mug shows what the mug looks like when a hot beverage is poured into it! See how the design on the outside changes? On this mug… Seven different species are featured: Ruby throated, Violet Capped, Rufus, Lucifer, Anna’s, Broad-Billed and Blue-Throated. Microwave safe gold lip. Once the hot beverage is consumed (or after about five minutes) the mug will cool down and you can do it all over again! Any hot beverage will do: tea, coffee, hot soup, hot cider, cocoa and latte. These porcelain mugs are brand new. They hold 11 ounces of liquid and they are microwave safe. The manufacturer recommends hand washing. These mugs make great gifts. Birthdays Anniversaries Graduation Themed Parties Nurses week Christmas Thank you gifts Gift baskets Fund raisers Babysitters Collectors Valentines Day Office gifts Grab bags Mothers Day Fathers Day Grand parents Day Wedding favors Gifts for your choir, minister How about one just for you!! Your friends and family will always remember you as the person who gave them one of these unforgettable gifts! Thank you for looking! Buy from here…