Design one-piece construction with a flap-edge seal provides easy access and secure closure. Open on both short ends with a flap on one long edge that opens and reseals the sleeve. This makes it easier and safer to insert and remove negatives because you don't have to slide them in.

Polyester sleeves are crystal clear and more rigid than polypropylene, making viewing and handling your film easier while providing a high level of protection

Polypropylene offer safe storage but they lack the optical clarity and are less rigid

Odd Size Negatives negatives from the early 20th c. have multiple sizes. You can trim down the 2-1/4 strips, order other small sizes of Side Loading Print Sleeves, or use paper enclosures if the film is cellulose nitrate or acetate.

Acid-Free - Yes

P.A.T. passed the Photographic Activity Test ISO 18916

Thickness 3 mil

Material - Polyester uncoated Melinex 516 (Dupont’s replacement for Mylar D) is archival and safe for long-term storage. Polyester is the clearest, most chemically inert of the plastics used for archival storage products.

Material - Polypropylene is archival and safe for long-term storage. It is more economical than polyester.

Looking for a bag or sleeve size? Plastic Enclosure Sizes PDF