The invention relates to a blast-proof chamber (1, 20, 30, 60, 70) for improved handling and transport of a detonation-dangerous object, wherein the said blast-proof chamber (1, 20, 30, 60, 70) comprises an outer chamber (2, 21, 32, 61, 71) comprising an inner storage chamber (3, 22, 33, 62, 72) for storage of the detonation-dangerous object. A characteristic feature of the invention is that the inner storage chamber (3, 22, 33, 62, 72) is arranged movably in the outer chamber (2, 21, 32, 61, 71) between an open and a closed position.