These Leitz laminating pouches are airtight and water-resistant, preserving photos, drawings, and documents. They are compatible with any A3 laminator. Direction arrows guide the insertion process and disappear after lamination for perfect results. The glossy finish enhances the richness and beauty of colors. Featuring Unique Direction Technology (UDT), these A3 2 x 80 micron laminating pouches clearly indicate the correct document insertion way, preventing user error. The arrows disappear during laminating, confirming a perfect seal. Enjoy hassle-free, jam-free lamination with UDT and ultra-premium quality pouches offering robust protection from dirt, liquid, and moisture.