These cartridge paper pads from Daler-Rowney are the perfect standby for drawing and sketching, available in sizes up to A1 (brilliant for life drawing). Smooth Cartridge Paper Pad A2 by Daler-Rowney. This large A2 pad measures 420x594mm (16½ x 23.4""). 30 sheets 130gsm / 80lbs. Acid-free. Perfect for use with pencils and pens."