Perfect for educational settings, Richeson Bulk Watercolor Paper is a machine-made cold press paper made from 100% wood pulp. This acid-free paper lifts well, has no deckles, and is available in two weights. Bulk packs let you order only as much as you need. - Richeson Bulk Pack Watercolor Paper - 9" x 12", 135 lb, Pkg of 425 SheetsRicheson Bulk wc Paper, 9X12 135LB 425/SHT -