All boxes are semitransparent tough, durable plastic TackleI'm looking for the best tackle backpack that fits 3700 size boxes, the typical 3600 size just don't cut it I would consider tackle bags, but like the portability for shore fishing with backpacks 3600 Series – Comes with six StowAway boxes 945″H x 18″W x 945″D 3700 Series – Comes with six StowAway boxes 11″H x 22″W x 13″D
Amazon Com Plano 2 3700 Prolatch Stowaway Four Pack Clear Fishing Tackle Boxes Sports Outdoors
