You can securely preserve your films from contaminants and fingerprints using the Vue-All 7125 35mm Slide Saver.It is made of plastic and has 20 mounted slides supporting films of 35mmThese archival storage pages are made of 4 mil polyethylene,You can store and organize your film efficiently in this slide saverIt has side loading mechanismThe Vue-All 7125 35mm Slide Saver has 3 holes and offers a crystal clear viewing of your films