Optimus fuel bottles are suitable for transporting and pressurizing all kinds of liquid fuel. Thanks to a unique hardening process, these bottles are strong and durable, yet surprisingly light weight. With child safe cap. Size L, 1.0 L. Features: Compact & lightweight cooking system Crux Lite stove Heat exchange pot Clip-on wind shield He Technology for efficient cooking, can hold 890ml.Safely store fuel with the bottles child-safe cap.Maximum Fuel Filling Level 750 mL (25.4 FL OZ.); when used with Optimus Pump Assembly.Fuel Storage Level 1.0L (33.8 FL OZ.)