Manetti 23kt-Large-Area-Double Gold-Leaf Surface-Book is 1-book of gold-leaf with contains 25 sheets of Gold-Leaf, size-4" x 4", Patent/Transfer-Leaf, 27 Gram Weight 23kt. Large-Area-Double-gold is a very early Karat weight. Manetti 23kt-Large-Area-Double Gold-Leaf Surface-Book is surface-leaf therefore it is Loose-Leaf.  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-Large-Area-Double Gold-Leaf Surface-Book available here.