This package of Essential Filmstrips is part of the Vintage Bits Collection from 49 and Market. This package includes 11 acetate pieces. There are three single slots, three strips with three open slots, three strips with five open slots, and two strips of vintage negative filmstrips. These filmstrips can be used on cards, scrapbook pages, tags, journals, planners, and other paper crafting and mixed media projects. These filmstrips are non-archival.