To provide a novel laminate film in which meandering and wrinkling of a film on a transport roll in a film processing process and winding misalignment when winding on a film roll are suppressed, and further when wound together with a base film as a protective film for an adhesive layer to form a wound body, an occurrence of winding misalignment between the protective film of the wound body and the base film is preferably suppressed, when a physical external force is applied to the wound body.SOLUTION: There is provided a laminate film including a core layer and a skin layer laminated on at least one side of the core layer, in which the skin layer contains ethylene-propylene block copolymer and ethylene-propylene random copolymer, an ethylene content in the skin layer is 4.5 percent by mass or more and 40 percent by mass or less, and a static friction force...

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