This is a 5 pack of hexagon leatherette patches; each patch measures approximately 3" x 2". This rainbow leopard leatherette engraves black. The patch features a silver stitching. The patch has a grey backing. Each pack comes with 5 pre-cut Durra-Bull Adhesive backers that can be applied as needed. 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.Recommended Glowforge Settings: To engrave we recommend a speed of 600, power 12, and lines per inch 225 Recommended 60W Settings: DPI 600, Speed 100%, Power 30% Recommended Glowforge Aura and Spark Diode Laser Settings: To engrave we recommend a speed of 100, power 4, and lines per inch 270 30W Thunder Bolt Recommended Setting: To engrave, 600 speed 30 power