Material and Size: The cut die is made of high-quality carbon steel, which is environmental friendly and healthy, and is not easy to break. It can be used many times. The size of it is 3.66 x 4.96 inch. Vintage Keys Theme: Elements of the die cut include a wide variety of keys and locks. These keys have a retro and fun design. They are great for making cards. Strong Applicability: With the cut dies you can cut a variety of materials from paper & cardstock to chipboard, leather, denim, craft aluminium, cork, felt and fabric! It's suitable for most brands of cutting machines. How to Use: Taking one cutting pad and place your cut die on top. Then, place your chosen material on top of the die. Last, complete with chosen material and the second cutting pad placed on the top of the die, then it's ready to go! With one roll through your die cutting machine, your design will be revealed! Excellent Gift: It's very fun, and allows people to fully develop their creativity, and it's a great gift to give to friends or children around you.