Manetti 23.75kt-Rosenoble Double Gold-Leaf Patent-Pack of 20-books-gold-leaf contains 500 sheets of Gold-Leaf, size-3-3/8" x 3-3/8", Patent/Transfer Leaf, 21 Gram Weight Manetti 23.75kt-Rosenoble Double Gold-Leaf Patent-Pack contains 25 sheet of gold leaf, size 3 3/8" x 3 3/8" per sheet. This is Patent or Transfer leaf so each sheet is attached to a special tissue paper. A packs coverage area is 39.5 square feet and each Book of 25 sheets has a coverage area of 1.98sq ft. (without consideration for waste or overlap) This product is great for surface gilding. Manetti 23.75kt-Rosenoble Double Gold-Leaf Patent-Pack available here.