I'm having second thoughts about mailing these to our nephew in Japan. It's been taking about two weeks for packages to arrive and I'm concerned the bars will be a melted mess. The crust is graham crackers, butter, confectioners sugar and peanut butter. Topped with combined melted chocolate and peanut butter. I'm in a bit of a time crunch so if I need to make something else to send, I'm open to ideas.