Avery 4185 direct thermal labels are compatible with a variety of thermal printers including the DYMO LabelWriter (R), Seiko Smart Label Printer (R), & Zebra (R) printers. Each durable roll is individually packed in a special bag designed to protect each roll from light & moisture. These multipurpose smudge-free labels are resistant to water, dirt, dust & grease. The adhesive helps labels stick & stay in place, making them perfect for a variety of applications. Print a high number of labels or one label at a time to create mailing & addressing labels, retail labels, postage, inventory labels, ID labels & more.