PACKAGE

PROBLEM TO BE SOLVED: To provide a package wherein complication in operation in use is reduced to have excellent operability.SOLUTION: This package 1 includes: a bag body 2 formed in a bag state, partitioned into the inside as an unclean region 10a in an operating room and the outside as a clean region 10b in the operating room, and having an insertion port 21 through which a medical device 20 is inserted toward the unclean region 10a; and a bag-like packing material 3 storing the bag body 2. The bag body 2 is joined with the packing material 3 in junction members 4a, 4b in a state that the bag body 2 is stored in the packing material 3, and the insertion port 21 is opened interlockingly with unsealing operation to unseal the packing material 3 to allow the insertion of the medical device 20.