This slimline rig box (21cm x 11cm x 3cm) is purpose-built for river anglers who value efficiency and space. Inside, you’ll find 16 x 4.5cm EVA foam rig winders (8 per side) —perfect for storing pre-tied leaders and droppers without tangles. Compact and lightweight, it slips easily into a wading jacket or chest pack, making it an essential companion for mobile fly fishers who need their gear organized and ready for fast changes on the water.