Provided is an adhesive label that has a polyester resin base material and a polyester adhesive disposed on one surface of the polyester resin base material for material recycling, and is excellent in punching properties in a low-temperature environment and a high-temperature and high-humidity environment. A pressure-sensitive adhesive sheet comprising: A polyester-based resin substrate; and a polyester-based pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition, wherein the pressure-sensitive adhesive composition comprises a polyester-based pressure-sensitive adhesive, An adhesive label comprising a xylylene diisocyanate-based compound and a tolylene diisocyanate-based compound. None

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