Packaging for medical containers

A packaging for medical containers, comprising:

• a tub configured to receive a plurality of medical containers therein, the tub having a peripheral wall and a flange extending from the peripheral wall;
• a sealing cover sealable on an opening of the tub, the sealing cover made from a permeable material that is permeable to a sterilization medium;
• and
• a sealing envelope for protecting the sealing cover against perforation, wherein the sealing envelope comprises:
• a lower sealing part, comprising:
• a frame defining an aperture therethrough and having an outer peripheral portion, the aperture adapted to receive at least a portion of the tub, the frame adapted to be sealed to a lower surface of the flange of the tub extending from the peripheral wall of the tub, and
• a bonding surface that extends outwards from the frame, the outer peripheral portion of the frame extending parallel to an outer periphery of the sealing cover, and
• an upper sealing part adapted to be sealed on the bonding surface and to cover the opening of the tub and the sealing cover, wherein the lower sealing part and the upper sealing part are at least partially separate from one another prior to sealing the upper sealing part to the bonding surface;
• and
• wherein the upper sealing part comprises a window made of the permeable material, wherein the window is permeable to the sterilization medium, and
• wherein the lower sealing part is a flat sheet.