Ampad Double Sheet Writing Pad - 100 Sheets - Stapled - Both Side Ruling Surface - 0.28" Ruled - 15 lb Basis Weight - Letter - 8 1/2" x 11" Sheet Size x 8.5" Width x 11.8" Length - White Paper - White Cover - Micro Perforated, Easy Tear, Stiff, Chipboard Backing - 1 Pad Perforated writing pad features 100 letter-size sheets of quality, 15 lb. white paper. Each sheet is three-hole punched for binder storage and college-ruled with 9/32" line spacings and a 1-1/4" left margin. Perforations allow a clean-edge tear-out. Super stiff, 80 point, chipboard back provides writing support for handheld use.