If you use a Dymo LabelWriter printer, these HOUSELABELS compatible labels are a total money-saver compared to the brand-name ones! This pack gives you 2 rolls with 700 labels total in that perfect address label size of 1-1/8 x 3-1/2 inches. They work great with Dymo LW 450, 4XL, CoStar, and Rollo desktop printers (just note they WON'T work with the 550 or 5XL models that need RFID chips). The quality is seriously good - they use premium thermal paper that's smooth and white with a strong permanent adhesive that really sticks. The printing comes out crystal clear for addresses, barcodes, product labels, you name it. They're fade-resistant and stand up to water, smudging, scratching, and grease. Plus they're BPA-free, which is nice to know. Each roll comes in a protective black bag inside a mini-carton to keep them clean and safe from sunlight. If you do a lot of shipping or labeling, these generic labels work just as well as the expensive ones but cost way less. Definitely worth trying if you go through labels regularly!