4 pack of Campingaz CP250 valve cartridges with high-performance Isobutane gas, allowing it to work better at lower temperatures than other similarly styled cartridges. The cartridge can be removed and re-attached safely, even if not yet empty. The Campingaz CP250 gas cartridge fits Campingaz Camp'Bistro 2 stove.High performance Isobutane gas mix, allowing the stove to function at lower temperaturesFits Campingaz Camp'Bistro 2 and other similar stovesSelf-sealing safety valve allows the cartridge to be easily removed from the device, even when not emptySuggested use: Stove cooking - year-roundSize: 6.9 x 18cmWeight: 315 gGas: 220 g