Seat tackle box??

Military Green Fishing Box Lure Tool Box Multifunction Seat Large Fishing Tackle Box - Fishing Tackle Boxes - AliExpress

Bonafide Kayaks Under Seat Storage – Fishing Online

Sele Seat Box Surf with Tray | Black/Blue

Attaches to Native Watercraft frame seats for added tackle storage. Fits onto back of all current Native Watercraft model seats except Manta Ray

Seat Back Tackle Box Storage

Fenwick Woodstream Seat/Tackle Box/Cooler - sporting goods - by owner - sale - craigslist

The Gear Box–Go anywhere Pedestal mount tackle storage solution. Size Large. – Heavy Hauler Outdoor Gear

Sport Seat Tackle Box/Cooler - sporting goods - by owner - sale - craigslist

Seat Boxes - Veals Mail Order

Daiwa Sea Seat Box - Poingdestres Angling Centre

Spacious and lightweight, the 5 gal Ice Fishing Bucket Type Box with Seat has two compartments for tackle storage and is worth taking on a fishing

Ice Fishing Bucket Type Box with Seat | 2 compartments | 5 gal