150 Sheets Chipboard 24pt (point) 5.5 X 8.5 Inches Light Weight Half Letter Size .024 Caliper Thickness Cardboard Craft|Packing Brown Kraft Paper Board Thin Chipboard 24pt (point) or .024" (.024 inch) thickness = .61mm 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