The Loon Rigging Foam 3PK is for rigging when you're at home so you can fish while you're on the water. The rigging foam offers sturdy, reusable housing when using multiple nymphs, dry dropper set ups, or a single dry on a leader. The Loon Rigging Foam 3PK easily provides pre-rigging and quick changes on the water.Features3 PackStores rigged flies and tippetAllows for quick fly changesMinimizes wasteIdentical size to common tippet spools