"Get high-quality Zebra Z-Select 2000D label rolls for your thermal printer. These premium coated thermal paper rolls come in a convenient size of 50.8x38.1mm, with a core diameter of 19mm and a roll diameter of 50mm. Each roll contains 250 labels and is designed for use with (R)P4T, QL220/Plus, QL320/Plus, and QL420/Plus printers. These blackmark labels are free of Bisphenol, Bisphenol A, and Bisphenol S, and weigh just 0.09kg. Trust the original manufacturer, Zebra, for reliable and top-quality printing supplies."