Funny "Love Singal Is Full/Love Power Never Power Off" (Twin Side) Magic Surprise Color Changing Mug Morphing Coffee/Tea Mug (11 Oz)A Couple Of Mugs For Couples(Wedding Anniversary,Valentine's Day,Engagement) 1.Two mugs in one package,Material:100% Ceramic - more healthy than plastic cup 2.Morphing:Just plain black in color when it's cold,mug will turn white and reveal Design only when filled with a hot beverage 3.Capacity: 11 Ounce.Easy to clean,easy to carry 4.Make your life more magic,A fun and unique way to enjoy your favorite hot beverage 5.Our Custom Morphing Mug will be a good gift for your friends and family