This is a stamping set for leathercraft that makes it easy to create imprints. Simply place the alphabet letters printed on the hard plastic sheet onto the leather and strike them with the included wooden mallet to easily create imprints. The compact size doesn't take up much storage space, and it's a convenient tool to have on hand for crafting. [Set Contents] Stamping sheets (hard plastic) x 2, Wooden mallet [Character Sizes] 5mm, 3mm *Please note: Excessive force or use on uneven surfaces may cause the sheets to crack. Please be sure to use on a flat surface and strike lightly several times. Results may vary depending on the type of leather, so we recommend testing beforehand. Instant purchase is OK.