Use Second Nature Writing Pads to complete the cycle and recycle. These pads help conserve the environment and deliver the quality you need for efficiency. Each letter-size pad contains 50 ruled, canary sheets with a red margin rule. 16 lb. paper resists bleed-through. Letr-Trim perforation allows clean and easy sheet removal. Topbound, stitched sheets also have a 30 point chipboard backer for support.