Aluminum alloy anodized metal RFID blocking minimalist wallet holds 1-12 cards without stretching out. Outside notch allows you to push out the cards easily. Integrated metal money clip on back. Per manufacture, wallet engraves “white” (not silver). Dimensions: 86x54x7mm Posted settings are recommendations only. Results may vary on each machine due to a variety of factors such as machine type, age, and maintenance. Glowforge: 700/FULL/270 lpi (1 pass). Place directly on crumb tray, NO MARKING SPRAY NECESSARY. Clean with LA Awesome cleaner and toothbrush. Thunder 51/100: 250/90/635 lpi (1 pass). No marking spray necessary. Clean with LA Awesome cleaner and toothbrush. 50w - 275s/12p/363LPI Mira 9 90 watt- 300s/50p/255lpi