Size: 9 by 12 Inch. The Canson XL series is a line of pads that combines value with performance designed to appeal to art students and enthusiasts from middle school through college. Canson XL pads were developed with art professors who tested their performance reliability with a variety of media. They feature superior construction and heavier weight cover materials than other value priced pads. Excellent quality papers in generous pads offer exceptional value. All XL products are manufactured using sustainable processes. Canson XL Watercolor Pads are fold over bound with a cold press texture. The durable surface stands up to repeated washes. These pads contain 30 sheets of 140 pound/300 grams acid free 9 x 12 inch paper.