Brother QL-550 P-Touch Label Printer Works Fantastic!  | eBay
Brother 2.4" x 4" Shipping Label Roll for Brother QL-500 & QL (DK1202)
Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Brother PT-550 Label Printer - US Plug : Tools & Home Improvement
Brother QL-550 P-Touch Label Printer | eBay
Brother QL-550 model P-Touch Monochrome Direct Thermal Label Printer, 300 x 300 dpi Monochrome Print Resolution, 3 ips Black Print Speed, PC Mac Platform Support, USB Standard Interfaces/Ports, Automatic Cutting Method