To provide a film having sufficient strength and heat resistance and capable of preparing a packaging bag or the like having excellent recyclability and an excellent concealability of contents.SOLUTION: There is provided a film which is constituted of polyethylene or polypropylene, contains a white pigment, is subjected to at least one of stretching treatment and electron beam irradiation treatment and contains polyethylene derived from biomass or polypropylene derived from biomass.SELECTED DRAWING: Figure 1
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