4" x 3" Direct Thermal label for Zebra QLn420 with 3/4" core 200 labels/roll
Source Used Portable wifi wireless Mobile Printer For Zebra QLN420 on m.alibaba.com
Amazon.com : 24 Rolls of 4" Wide x 2" high Direct Thermal Compatible Labels for Zebra QL420, QLn420, and ZQ630 Mobile Printers, 3/4" core, 2 3/8" Diameter, 300 Labels/roll, with Perf and
MOD-QLN420 Zebra | Logiscenter
1030Q 4.0 x 2.0 White BOPP Label for Zebra & other Mobile Printers: DuraReady No-Fade or Discolor Permanent labels for Zebra and Labelwriter 450
Amazon.com : 24 rolls of 3" Wide x 1" High Direct Thermal Compatible Labels for ZEBRA QL320, QL420, QLn320, QLn420, ZQ620 and ZQ630 Mobile Printers, 3/4" core, 2 3/8" Diameter, 550/roll, with
Zebra QLn 420 - Label printer - direct thermal - Roll (4.4 in) - 203 dpi - up to 240.9 inch/min - USB, serial, Wi-Fi(n), Bluetooth 3.0 - tear bar - Walmart.com
4-Pack: Zebra QLn420 Label Printers, WiFi, Bluetooth, Includes Multi Charger! | eBay