100 Sheets Chipboard 20pt (point) 4 X 6 Inches Light Weight Photo|Card Size .020 Caliper Thick Cardboard Craft and Packing Brown Kraft Paper Board Light Weight Chipboard 20pt (point) or .020" (.020 inch) thickness = .508mm Backing for notepads, photos, and prints Make your own albums, frames, displays, covers, backs, boxes and containers Protect your shipments and storage of keepsakes and papers 100% recycled clean fibers