Replacement stuff sacks are available in 4 sizes depending on your packraft model and configuration. Note: We recommend storing your boat outside the stuff sack to allow it to breathe. Dry the boat and either hang it or fold it loosely in a cool dry place out of direct sunlight. Stuff Sack Sizing Per Packraft Model and Build Configuration: Open Self Bailer Spray Decks - CR | WW | WR Classic Medium Medium Large Expedition N/A N/A Large Mule Medium Medium Large GnarMule N/A Large N/A Wolverine N/A Large Large Gnarwhal N/A Large Large Forager N/A X-Large N/A Ranger N/A X-Large N/A Scout Small Small N/A Caribou Medium N/A N/A Tango X-Large N/A N/A Rendezvous  Large N/A N/A Valkyrie N/A N/A X-Large Refuge N/A N/A Large Ghost Small N/A N/A