This pack of 20 rolls contains a total of 4400 thermal shipping labels, with each roll containing 220 labels that measure 4x6 inches. These labels are compatible with the Dymo 4XL printer and are perfect for all your shipping needs. The label type is shipping and they are designed for material handling in business and industrial settings. Not only are they practical, but they also come from the well-known brand BLVD. With these labels, you can ensure that your packages are labeled correctly and professionally. Don't miss out on this opportunity to streamline your shipping process with these high-quality thermal labels.