These boxes changed our lives. For real. At first glance, they don't seem like they are much different than your run-of-the-mill Home Depot tote. However, dig a little deeper and you'll see the things that make them so freakin' awesome.
I could go on for days about just the lid, how it creates a super-solid stackable mating surface for the next box above it. Because of this, your stuff doesn't slide around, or off, or out of your rig. Then there's the fact that they are literally the most durable box we've ever used. Stand on them. Sit on them. Stack them and use them as a table. Go nuts.