PRO-ART-Canson Foundation Wire Bound Sketch Pad. This Foundation series provides quality paper for all to enjoy! Inside each pad is the finest quality paper; tested by professions and educators. Made without acid; lignin; or chlorine the paper ensures lasting beauty. Suitable for pencil and pen; erases cleanly. This package contains one 8-1/2x5-1/2 inch spiral bound drawing pad with fifty sheets of 50lb; acid free; smooth surface drawing paper. Made in USA.