Canson XL Series Recycled Paper Sketch Pad, Fold Over, 50 Pound, 3.5 x 5.5 Inch, 100 Sheets Superior construction and heavier weight cover materials than other value priced pads Made with 30 percent recycled post consumer paper materials Manufactured using sustainable processes 50 pound/74 grams acid free paper 100 sheets of 3.5 x 5.5 inch