Material: Metal. Keep Out reach of Childern. 2. This Paper Cutting knife can be used for a wide variety of projects, including crafting, scrapbooking, arts, cutting paper, cardboard, thin sheets of plastic, and more. 3. This Paper Cutting knife Safety blade lock allows you to lock in the blade at the measurement you need. 4. By This Paper Cutting knife Cut your paper with precision. 5. This Paper Cutting knife is designed lightweight and easy to carry and use.