The Package Mint 4x6 Inches Thermal Shipping Labels are made of high quality materials, designed to provide you with high-resolution prints and fast processing. These materials effectively prevent oil, water, alcohol, and scratches which make your information to be displayed on the label page for a long time even in bad weather. These blank labels are perfect for online sellers to print their labels such as shipping labels, address labels, mailing labels, product labels, FBA labels, barcodes, name tag stickers, and anything need to be labeled. Going beyond the standard labels sold online, the Package Mint Shipping Colored Label has a perforated making it easy to peel off. Additionally, our shipping labels are compatible to many thermal printers like Rollo and Munbyn. These are strictly NOT suitable for laser and inkjet printers. Each roll of our thermal shipping labels 4x6 includes 300 sheets of thermal waterproof labels. It comes in various colors such as pink, green, purple and white. More choices to choose from!