MARK / paper-cup design

Mark is a paper-cup design. It just need add one printting program in the production of paper-cup, it will solve the problems we meet . Now you don’t need to worry about lose your drink when you go to the toliet; also don’t need to prepare a pen to mark your paper-cup; or you are cold, don’t worry your friends will have your drink; now, you just need to worry your handwriting is ugly!