>>1077535You can always buy a couple 3600 or 3700 flat boxes and carry them with whatever backpack you have. Like $10 for two boxes, maybe less. Or get an actual tackle bag on sale. Even the cheaper brands, like Dick's Jawbone will be $20-$30 for a 3600 or 3700 size bag that will come with a couple flat boxes in it and will hold 2-3 more.
Or there's fishing backpacks. Bought my lil bro a Browning one from Bass Pro. They are a little more expensive, I think that one was around $75. But they are nice, it holds 4x3600 flat boxes in the bottom then has a bunch of pockets and shit that just make sense and work well.
FYI 3600 is like medium size and 3700 is large.
And those boxes you have now will work fine, but the bags or backpacks are much easier to carry around, organize your shit better and keep tackle from getting tangled so bad, and you don't have to worry about them opening because the latches failed.