These leatherette sheets measure 12" x 24" and 3/64" thick. This black leatherette engraves red. The backside of the sheet will be grey with no adhesive. Leatherette offers the look and feel of genuine leather at a fraction of the price. This sheet is a perfect addition to your laser crafting or vinyl business. Recommended Settings Posted settings are recommendations only. For best results it is recommended you attempt a small test area before moving forward with a larger design. Results may vary on each machine due to a variety of factors such as machine type, age, and maintenance. Suggested Glowforge Settings: To cut we recommend the Proofgrade Thin Leather setting. To engrave we recommend a speed of 600, power 5, and lines per inch 225. Suggested 60W Settings: To engrave: DPI 600, Speed 100%, Power 30%. To cut: 25 speed, 25 power, 100 frequency. Recommended Glowforge Aura and Spark Diode Laser Settings: To cut, focus .07, 40 Speed, 10 Power, and 1 Pass. To engrave, 100 speed, 1 power, 270 lines per inch, 1 pass. 30w Thunder Bolt Recommended Setting - Vector 35 speed, Power 70. To engrave 600 speed 30 power.