Light My Fire Add-A-Twist Gear Organizer Waterproof and airtight gear organizer with three connectable containers that keep food and Equipment safe, Dry, and easy to access Perfect backpack organizer; containers can be added, removed, or rearranged with a simple twist Sturdy construction and strong materials for superior durability and gear protection; double-sealed lids make containers waterproof and airtight Made from food-safe BPA free materials; molded handle for hanging or carrying; bayonet-lock lids open and close with a quarter turn Container sizes: 6.8cu (112 ml), 18.3cu (300 ml) and 33cu (540 ml)