This is a stamping set for leathercraft that makes it easy to create imprints. Simply place the alphabet letters printed on the hard plastic onto the leather and strike them with the included punch. It's compact, so it 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 punch [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. This may also vary depending on the type of leather, so we recommend testing it beforehand. Instant purchase is OK.