Specification: Weemay 30334 Rerurn Address Labels with RFID Chip. Replacement for DYMO LW 30334 S0722540 11354. Size: 2-1/4 in x 1-1/4 in (57mm x 32mm). Paper Tube Diameter：1 (25.4mm). 8 Rolls, total 8000 Labels (1000 Labels/Roll) Compatibl: RFID chips inside the lables, compatible with DYMO LabelWriter printers 5XL, 550, 450, 550 Turbo, 450 Twin Turbo, 450 Duo, 4XL & Wireless Printer etc Features: Avoid fade and smear. Prints crystal clear printings. Let your carriers easily scan barcodes Application: Replacement for DYMO LW 30334 S0722540 11354. Widely used on Packages, Envelopes, Mails, Letters, Parcels, Signs and Temporary Name Tags as Barcode labels, FNSKU labels, Return Address Labels, Bar Code, GTIN, EAN-13, UPC-A, Code-128, EAN/UCC-128, Code-39, ITF-14 labels Perforated: Perforated to allow easier separation between labels. Fold the printed labels together with the perforation to keep them organized Adhesive: Still reliable on extreme temperature. The patented adhesive provides long-lasting powerful stickness Size 30334：2-1/4 x 1-1/4 Color Black on White Brand Name Weemay Item Shape Rectangular Unit Count 4000.0 Count Finish Type Uncoated Manufacturer WEEMAY Material Type Paper Number of Labels 8000