A 100x150 direct thermal 400 label is a popular size for shipping and product labeling in e-commerce. These labels are commonly used for shipping labelsThese 100x150mm direct thermal labels come in a convenient pack of 400, ideal for e commerce shipping and product identification needs. Designed for direct thermal printers, they require no ink or toner, offering clear, smudge resistant printing that adheres reliably to packages. Their standard size ensures compatibility with major shipping platforms and carriers, streamlining your fulfillment process with professional looking labels.