Munchbox® is the world's first and only bento box with FIVE INTERCHANGEABLE TRAYS! Use the Mini4, Midi5, Maxi6, Mega3 or Mega4 tray in your outer box to create a balanced lunch, free from disposable containers or single-use plastics! Our unique silicone seal system, removable trays and easy to use latch make lunch fun, no matter how old you are!