Extra-thick, chipboard back offers stiff support when writing. Perforated pad is ideal for office and home use. Dark blue binding at top is stapled and glued. Watermarked paper will not bleed through. Sheets are microperforated for clean separation. Each letter-size sheet has 11/32" line spacings and a 1-1/4" left margin. Pad contains 50 legal/wide-ruled sheets of 20 lb white paper.