Specification: 2 rolls of 30334 labels with RFID chip, compatible with DYMO LW 30334 S0722540 11354 (2-1/4 in x 1-1/4 in, 57mm x 32mm), total 2000 labels. Automatic printer detection saves time and reduces paper waste Compatibility: Embedded with RFID chips for automatic printer recognition, compatible with DYMO Labelwriter printers including 5XL, 550, 550 Turbo, 550 Twin Turbo, 550 Duo, 450, 4XL, Wireless, and more Application: Replacement for DYMO 30334/S0722540/11354. Ideal for packages, mail, envelopes, parcels, and temporary name tags. Perfect for return address, shipping, and barcode labels including FNSKU, UPC, EAN, Code-128, Code-39, and ITF-14 Features: High-quality direct thermal labels delivers sharp, high-contrast printouts. Barcodes scan reliably, ensuring accuracy for shipments and inventory management. Details: Perforated to allow easier separation between labels. keep stuff organized with our labels Your satisfaction is our priority. If you encounter any issues during use, please contact us, and we will be delighted to assist you promptly 30334 labels with chip have 1000 labels each roll. Size: 2-1/4"x 1-1/4" (57mm x 32mm). Color: White on black . Compatible with DYMO LabelWriter 5XL, 550, 550 Turbo, 4XL, 450, Zebra, Rollo, Eltron, Munbyn, Intermec, Datamax, Fargo, Sato, NEX and More Thermal Label printers. Replacement for DYMO LW 1744907 S0904980 30334 S0722540 11354. Multipurpose, Work for E-commerce business, family operators, internet postage, shipping address and transportation platform, Amazon, eBay, Endicia, USPS, UPS, Fedex, DHL, Shopify, Etsy, PayPal, Poshmark, Depop, Mercari Postage Stickers.Water & Smudge Resistant. Fade & Smear Resistant. Scratch & Fade Resistant.