Organization tip: these little crates PERFECTLY fit four of the size 3700 tackle trays, they also stack nearly. I'll post the link in the comments. : r Fishing MATEIN Travel Laptop Backpack 17.3 Inch Large Computer Backpack Stylish Business Backpack Men with USB Charging Port Water Resistant School College B Exped Lightning 60 Backpack with Free S&H CampSaver Shimano CVC70MD Convergence D Casting Rod Professional Slim Laptop Backpack: The Bag That Can Do It All, from eBags Gear Diary