Coleman C500 Performance gas cartridge offers 440g (70/30) butane/propane gas mixture in threaded self-sealing cartridge with safety valve. It's compatible with all Coleman resealable appliances. We are unable to deliver or post gas items for obvious reasons. Please ensure you use 'Pay Now and Collect from Trowbridge or Bath' option when ordering from our website. Call 01225 764977 for more details. Thank you.