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VWR offers sealing films for the protection of lab samples as well as documents. General purpose lab wrap of polyethylene is appropriate for use with beakers, flasks, petri dishes, and other labware; choose heat, chemical, and tear resistant models as well as those appropriate for food or thermal cycling applications. Parafilm, also for use with glassware, adheres to itself and is resistant to water, acids, air, and alcohol. Self-laminating sheets and pouches are available in a variety of sizes for the protection of documents.