Composition Leaf, also known as imitation leaf or Dutch gold, is made from brass and a combination of zinc and copper. It is sensitive to UV light, humidity and temperature changes. Composition Leaf is available in a pack of 20 books, each book containing 25 leaves measuring 5-1/2" x 5-1/2". Each book covers approximately 2.25 sq feet. One full pack (box) contains 500 leaves and will cover approximately 105 square feet. Composition Leaf is perfect for gilding projects where a veriegated look is desired. Composition Red VERIEGATED Leaf is especially striking when used on book covers, picture frames or other objects where a deep, rich red color is desired.