Premium Laser Engraving Supplies: The 4 pcs black laser engraving marking paper can assist you in efficiently engraving patterns on metal, ceramics, stone, glass, crystal, and jade; compatible with most fiber laser, diode laser, CO2 laser cutters and engraver machines. Easy to Use & Process: Each engraving color paper sheet is 39x27cm and comes with a for efficient processing. The color paper for glass laser engraving can efficiently absorb the laser energy. Waterproof & : The laser color marking paper is made of premium material and is insoluble in water, anti-, non-fading, and anti-scratch; Laser engraved patterns can firmly bond to the of the metal, glass, and ceramics. Wide Application: Laser engrave paper can be used on glass, metal, ceramics, crystal, jade, and many other materials. The laser marking paper can work with laser machines like pro, M1, F1, P2, S1, and other fiber lasers, diode lasers, and CO2 laser engravers. The black glass paper is perfect for personalize New Year gifts, happy new year decorations, etc. Professional Service: provides multiple materials that are sourced, prepared, and lab-tested for perfect engraving & cutting. materials are terrific partners of laser machines Colour:Black Material:Paper Package Contents: 1set * laser marking paper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.