Manetti 13.25kt-White Gold-Leaf Patent-Pack of 20 Books (500 Sheets), Size -3-3/8" x 3-3/8", Patent or Transfer Leaf. Manetti 13.25kt-White Gold-Leaf Patent-Pack contains Patent-Gold-Leaf also known as Transfer-Gold-Leaf, each sheet of gold-leaf is mounted to special tissue paper. A packs coverage area is 39.5 square feet; each book of 25 sheets has a coverage area of 1.98 sq ft. These measurement amounts for coverage do not take into consideration waste or overlap. Manetti 13.25kt-White Gold-Leaf Patent-Pack is great for surface-gilding.