The present invention relates to a container for storing an inflatable liferaft, the container including a bag adapted to contain a deflated liferaft and means for inflating the liferaft using an inflating gas, preferably CO2 or a mixture of gasses, wherein the substantial part is CO2. The inflating means being connected to the liferaft, preferably being substantially contained inside the bag. The bag furthermore has means for measuring and/or monitoring at least the relative humidity (R.H.) and the CO2-content of the gas inside the bag.