PREMIUM QUALITY PAPER. Single-side printed on 90 lb. Acid-Free Smooth Index SFI certified paper. DURABLE AND RIGID. No desk required. Constructed with a sturdy 100% recycled chipboard back a firm yet flexible clear cover and bound with WIRE-O double loop binding for a true LAY-FLAT experience. Manufacturered by Action Publishing. USE MARKERS WORRY FREE! Includes a movable poly sheet which prevents colors from bleeding through to other pages. MADE IN COLORADO USA! Our products are designed and produced by people who care about you and our planet. UNIQUE. Each image is hand-drawn by skilled artist Kathryn Marlin!