Mona Lisa® Metal Leaf is a micro-thin sheet of metal separated by pages of tissue paper. All through history in the world of decorative arts, gold leaf has played a very prominent role. Precious metals continue to exemplify quality and good taste. With inexpensive leaf, we are now able to afford that special look in home decor and personal accessories. Mona Lisa leaf products and techniques make the leafing process fun and foolproof with satisfying results every time.  Now you can afford that special, high end, look without the expense of precious metals. Leaf is composed of genuine copper, and will patina with age if not sealed. This Copper Leaf package contains 25 sheets. Sheet size 5 1/2" x 5 1/2".