Bass pro advanced anglers 2 backpack has lots of room! Can hold 4-5 3600 boxes on the bottom and 2 3700 boxes on the top with room to spare! Has lots of other little pouches for soft plastics line ect.. and has a small zipper area for terminal tackle box. with a hard shell sunglasses holder on top. And on the bottom it has a pocket with a rain fly. Has been a great backpack I’ve used it the past 7 months and just recently upgraded to a different style bag. (Tackle NOT Included)