Details: Patch measures approximately 3.5"x2.5" Includes heat activated adhesive on the back Made in the USA with our commercial machines, not outsourced. Recommended engraving settings: Glowforge To Black- 1000 speed, 30 power and 270 lpi To Silver- 500 speed/ 7 power/ 270 lpi (out of focus works best) 35-watt DPI 600 Speed 90% Power 35% 60-watt DPI 600 Speed 100% Power 30% 80-watt TROTEC PPI 600 Speed 90% Power 74% *Note: The recommended settings above may need adjustments for best results. Settings will vary depending on the Brand watt and model To remove soot after engraving use la awesome. Apply to lint free rag and wipe the patch clean. Heat press instructions: Peel paper backing off patch and place. Cover with a cover sheet (Teflon, etc.) Temperature: 300° Press for 40-50 seconds. Pressure: Heavy Please note: Most patches engrave in black, but some engrave in silver (Black leather) Each item is handmade and may vary slightly from the picture.