PREMIUM QUALITY Zeta Series LandscapeEXTRA HEAVYWEIGHT PAPER: Stands up to advanced wet media techniques. Great for detailed pen & ink line work combined with liberal applications of watercolor. A favorite of botanical artists and illustrators.CRAFTED FOR MIXED MEDIA: Double-sized (from non-animal materials) for enhanced wet strength and glowing color.ERASABLE & TOUGH: Accepts multiple erasures of dry media and lifting of wet media.DURABLE: Premium U.S. sewn binding, deluxe covers and heavy-duty art paper equals a sketchbook that is built for serious use.Acid Free 270 g/m3 Zeta Series3 1/2 X 5 1/2 inches Landscape directionIndividually wrappedPocket sizeShips USPSDiscounts and pro-rated shipping for multiple purchases to one address – one order.