#67 Bristol board is a rising #1 sulfite, tub-hard sized, artist quality, true two-ply pasted, drawing Bristol Board with a neutral pH for the best possible archival characteristics. Both sides of the sheet are identical and may be reversed for economy. The plate (smooth) surface is designed for dry wash, pencil, air brush, pastel, acrylics, brush and wash, or markers. Will handle erasure and reworking. Xerographic compatible. 12/box.