Acrylic Material: Our binding tools are made of high quality acrylic material, durable and not easy to break, can be used for a long time. Package Includes: You will receive a set of acrylic binding tools with protective film, 10 pieces in total, can meet the needs of daily use. Please refer to the image for specific dimensions. Corner Tool: The corner tool is perfect for cutting excess paper in the corners of covers and liners in a better way, which can help you keep perfect edges. Easy to Use: From cutting corners to positioning the cardboard correctly. You can also use it to cover various album covers, make structures with spines, double covers, etc. Wide Application: Printed paper, ribbon, cardboard, stamps and various decorations are used and decorated with the help of it. It can be made on albums, notebooks, letters, cards, postcards, agendas and planners.