Print File archival slide holders provide an ideal acid free storage solution. Holds twenty 35mm mounted transparencies. ID strip for each slide (also available unprinted). Also available in packs of 25 or 100. Dimensions: 9-3/8"W x 11-5/8"H. Fits in any 3-ring binder except Print File M or C Series. Archival quality, acid free, photo safe.