Polyguard Polypropylene film sleeves are the finest archival quality material, and are guaranteed to give you ultimate protection for your most important film negatives. Polyguard is 100% acid free, as well as being free from optical distortion. It is resistant to water, grease, oil, alkalies, and organic solvents. Polyguard is durable, yet pliable and gentle to the film and will not become brittle, crack, or abrade the film. All sizes are available in a clear open flap, clear front with frosted backing, and sealed flap. Available in the following configurations:
A. Sheet Film Sleeves