Adjustable Thickness: The maximum laminating thickness of the portable cold lamination machine is 0.4 inches (10 millimeters), and the maximum laminating width is 25.5in(650mm) Folding Design: Classroom Laminator machine adopts a folding design, and the panels on both sides can be folded and disassembled as needed All Metal Structure: Cold press laminating machine is made of high-quality steel and wear-resistant rubber rollers, equipped with a high-strength metal platform, and assembled by surface spraying Manual, Cold Press: Large laminator machine for posters does not require power or heating. Easy to operate and convenient to use Wildely Application: Cold laminator machine for teacher is widely applied in wedding photography, spraying and painting as well as mounting of a poster, advertising photograph, book cover, document, calligraphy and painting, invitations, etc. Note:2 types of handwheels are randomly shipped Specification：Maximum Laminating Width:25.5" (650mm); Maximum Laminating Thickness:0.4" (10mm); Roller Diameter:2.68" (68mm). For your normal use, please tighten the screws regularly Matters needing attention: 1. Cold laminator shall be placed in a dry and clean place, away from flammable and explosive articles. 2. When cleaning the rubber roll, use a soft cloth dipped in alcohol to wipe it. It is not allowed to use gasoline or thinner to clean it. Metal brushes and tool brushes are not allowed to damage the rubber rollers. 3. When not in use for a long time, keep the upper and lower cots of the cold laminator at a certain distance to prevent the cots from deforming.