This envelope contains a single booklet of 25 leaves, in loose or transfer format. The thickness is indicated by its corresponding weight: the loose leaf has a thickness of 28 grams per 1,000 leaves, while the transfer leaf has a thickness of 20 grams per 1,000 leaves.

Loose leaf is recommended both for decorating inlaid surfaces and for silvering smooth surfaces using the oil gilding technique.

The transfer leaf differs from the loose one because it rests on a sheet of tissue paper, which protrudes from the booklet, in order to facilitate and speed up handling and application. This form is always applied with the oil gilding technique and is recommended only for the decoration of smooth surfaces or for gilding to be carried out outdoors.