Soto Fuel Bottle Cap. This Camping Gear is the standard go-to accessory for your next outdoor adventure. Soto crafted these Camping Gear from sturdy and lightweight plastic that is as tough as they come. This Soto Fuel Bottle Cap is the standard size for both the 24.3 fl oz. and 16.2 fl. oz. Soto fuel bottles. Get your Fuel Bottle Cap before your next camping trip to ensure you have a tight seal on your fuel bottle. Specifications for Soto Fuel Bottle Cap: Manufacturer: Soto Application: Cooking Fabric/Material: Plastic Stove Accessory: Fuel Bottle Features of Soto Fuel Bottle Cap: Fits the 24.3 fl. oz. and 16.2 fl. oz. Soto fuel bottles (sold separately). Package Contents: Soto Fuel Bottle Cap Soto Fuel Bottle Cap