Manetti 23kt-Red Gold-Leaf Surface-Book is 1-book of gold-leaf with contains 25 sheets of Gold-Leaf, size-3-3/8" x 3-3/8", Loose/Surface Leaf, 16 Gram Weight 23kt. Red-gold is a very early Karat weight. Manetti 23kt-Red Gold-Leaf Surface-Book is surface-leaf therefore it is Loose-Leaf. Each Book of 25 sheets has a coverage area of 1.98sq ft. without consideration for waste or overlap. This product is great for glass gilding and surface gilding. It is loose in the book and should be applied with a gilders tip or other method of transfer. Manetti 23kt-Red Gold-Leaf Surface-Book available here.