Features: Thermal binding covers feature durable material. These thermal binding presentation Covers are perfect for A4 presentation, Durable enough to protect presentation from bends,creases,and surface moisture. Transparent and unobstructed Clearly distinguish between different files Thermal binding covers with clear fronts and a Glossy White linen finish spine and back These Thermal Binding Covers can be done as homework folder, presentation folder, file folder, also can be used for schools, home or work. Compatible with most thermal binding machines. 1. Put the documents neatly into the envelope 2. The work light is on, and the document is put into the heating tank 3. Push into the chute and press for hot-melt binding 4 Take out the text after the work light is on 5. Use your hand to flatten the glue rim to make it fully adhered 6. The text is placed in the cooling tank in 35 minutes and it is completed Specifications: 4mm Binding pages: 26-35 6mm Binding pages: 36-50 8mm Binding pages: 57-70 Package include: 10PCS A4 Hot Melt Thermal Binding Cover