This is another EXCELLENT multifunctional backpack. It is big enough to accommodate all laptops (up to 15.4" screen). It has a built in flat panel speaker system so plug in your MP3 player, phone, laptop etc and you have a mobile music system for whatever, wherever, whenever! It will play for up to 100 hours on only 3-AA batteries. This backpack has the latest in water-resistant technology.


SonicPak Speaker Backpack