food grade stainless steel and are more than other Do not rust, non-chemical for for the professional of cooking or a newcomer to the kitchen You can make a perfectly Christmas for Christmas make these roll-out to give to friend or serve decorated at your Christmas party Cookie have a smooth surface that won ' for t hurt your fingers We recommend drying it after hand washing to extend its useful life Each of our biscuit knives has been repeatedly tested to develop the most ergonomically comfortable dimensions