Rockin Beads 200 Albums Menus Folders Corner Protectors Nickel Tone 3mm Thick (7/8"x 5/8") Book Scrapbooking Albums Menus Folders edges Corner Protectors Nickel Tone (Fit 3mm thick)Thickness: 3mm( 1/8") Approx:21mm x 15mm( 7/8"x 5/8") 200pc Rockin Beads (TM) Brand comes with Rockin Beads Size Gauge Card