Why do you have to laminate: After the film has been laminated, it has anti-oxidation, dirt, tear, scratch, degumming and protection against tampering. Hot And Cold Laminating:Two laminating modes:Hot and cold laminating;Single and double-sided heating mode.When start the single-sided heating mode,the lower roller does not heat, double sided heating mode can double coated. Electronic Temperature Control:Precise temperature control with digital display,you can clear know the temperature setting as well as the process. Fast Warm-up & High Efficient Laminating: Preheat for 3-5 minutes, this a3 laminator machine will laminate automatically, at a faster speed of 55cm/min, extremely improving your work efficiency. Versatile Usage: Compact in size and easy to use, this a3 laminator machine is suitable for laminating photos, important documents, work permits, menus, artworks, business card, DIY, etc.