A flexible multicompartment container provided for storage and mixing toghether ofa at least a first and a second single solution. Each single solution is stored ina separate compartment (1, 2) of the container. The compartments are separated bymeans of seals (5, 6) rupturable by manipulation of the container to thereby mixthe contents togheter in a mixing compartment for delivery. The first compartment (1)is filled to a first filling degree, FD1, and the second compartment is filled toa second filling degree, FD2. The first filling degree is larger than the second fillingdegree. The filling degree in the mixing compartment, FDMC, is larger than thefilling degree in the second compartment.