120-4UB Negative Page (package of 20) Feature: * Holds 12 frames of 6x7cm 120 film * 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 * PAT passed Package: 20 pages Dimensions: 9 5⁄16"W x 11 5⁄16"H Fits: Oversized binders, OB-1, Box Binders Tips: * For writing on preservers use the recommended Permapaque Markers. * Remember to use gloves when handling negatives * To remove dust use Falcon Dust-Off compressed air or Static Wisk * To safely clean negatives use archival PEC-12 with PEC-PADS.