Koh-I-Noor Pen Paper Bright White Smooth Paper Pad with Ink Block Panel is a very smooth 80 lb. / 118 GSM bright white paper with a special ink receptive coating to ensure clean, crisp ink lines. Perfect for high contrast pen and ink drawings. Pad is constructed with an innovative patent pending Ink Block panel. The Ink Block panel is inserted underneath the working sheet to prevent any marking or indentation to the sheet below. Made in USA. 80 lb. / 118 GSM, 7 x 10 inches, 60 sheets per pad.