Pure copper leafs (Noris brand) and imitation copper (Chinese) are suitable for the interior only. Each booklet contains 25 leafs, the size of each leaf is 14x13cm and they come patent and loose. Imitation copper leaf is rich in colour and beautiful to gild with. Available in booklets of 25 leafs or in packs of pack 10 & 100. All can be used on all surfaces with any gilding size. Recommended gilding adhesive: Permacoll Gilding Size and Mission or using the traditional method of Rabbit Skin Glue which is far cheaper option.