Packaging container for the extemporaneous preparation of multi-component solutions

A package for the separate storage and mixing of different materials, said package comprising at least two independently formed compartments, each compartment receiving one of said materials therein and being separately sealed by a cap independently of the remaining compartments for an individual handling and processing of each compartment, said package further comprising an assembly of said compartments with the caps thereof in closely spaced direct alignment with each other, separate means both sealing said compartments to each other between the aligned caps and sealing the space between the aligned caps, and pusher means completely received and sealed within at least one compartment, said pusher means having a piercing end thereon for selective projection through the closely spaced aligned caps for a severing of said caps and a communication of the interiors of the compartments through the sealed space between the caps without affecting the means sealing said compartments to each other and without exposure of the pusher means outside of a sealed environment.