Reusable and washable for long term use to save money. Material：Multilayer Board + Carbon Steel Knife Compatible with most standard die - cutting machine can also be manually knocke This die cutting mold is made from wood and metal, solid and durable. There are generally used on leather craft, Scrapbooking, DIY craft keychain making,even other jewelry making, and you also can use it to cut some molds on any materials to decorate your house,furniture bedroom, just open your imagination.