Bienfang 285575 30 by 22-Inch pH-Neutral Student-Grade Loose-Leaf Watercolor Paper, 50 Sheets 50-sheet package of loose-leaf watercolor paper Medium surface texture effectively holds color Pure, uniform whiteness; 140-pound weight; student grade Acid-free and pH neutral protects against deterioration Measures 30 by 22 by 8/9-Inch