25 Sheets Chipboard 24pt (point) 8.5 X 11 Inches Light Medium Weight Standard Letter|Flyer Size .024 Caliper Thick Cardboard Craft Packaging Brown Kraft Paper Board Light Medium Weight Chipboard 24pt (point) - .024" inch thickness = .61mm = 6 sheets copy paper Backing for notepads, photos, and prints Make your own albums, frames, displays, covers, backs, boxes and containers Protect your shipments - Storage of keepsakes and papers - 100% recycled clean fibers