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.