Package Includes: 12 sheets of laser engraved marking paper, including 4 sheets each of black, blue, and brownish red. Size: Approximately 39.5 x 27 cm. The laser colored marking paper is made from high-quality material that is waterproof. Applications: The black laser engraved marking paper is suitable for use on ceramics, cups, plates, organic glass, plastic, acrylic, and other products. Use Method: Cut the engraving paper to the desired size, place it in water and soak for a short time, then apply the printed side onto the item to be engraved. Dry with a paper towel or gently blow dry any residual water, use a laser engraving machine to engrave, and finally remove excess paper. DIY Personalized Patterns: Laser engraved marking paper allows you to add custom patterns, ideal for crafting, personalization, and decorative design on various materials. Color: Black + Blue + Brown-Red. Material: Paper. Package Contents: 12 sheets of marking paper (4 black, 4 blue, 4 brownish red). Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement allowance is +/- 1-3 cm.