Holds twelve frames of 6x4.5cm or 6x6cm, or eight frames of 6x7cm 120 film. Contact prints on 8 x 10". Fits in standard binder. Features: Exclusive thin backing coupled with high clarity allows you to make quality contact sheets without removing or handling negatives. Strong continuous seams prevent negative hang up. Top sheet is 3 mil and bottom sheet is 1.8 mil Archival quality polyethylene - NO PVC - safe for long term storage