12 rolls (220 labels/roll, 2,640 total) of 2-1/8" X 4" (54.0mm × 101.6mm) labels, securely packed in a durable carton for warehouse-friendly storage. Cost-effective labeling solution BPA-free, direct thermal labels resist jams and misfeeds for reliable printing. Smooth, durable material ensures crisp text/barcodes without ink—ideal for professional results. Easy-peel backing prevents tearing or residue Strong, permanent adhesive bonds securely to packages, files, jars, and more. Withstands moisture, heat, and friction for long-lasting labels that stay intact indoors/outdoors Compatible with DYMO LabelWriter 4XL, 450, 450 Duo, 450 Turbo, 450 Twin Turbo printers & DYMO Wireless Printer,400 ,332 ,Zebra and most of the thermal label printers. NOT for 550/5XL/other models. Engineered to fit specifications, ensuring smooth operation and proper alignment Ideal for home/office/warehouse: shipping labels, address labels, Barcode Labels, inventory management, and organizational labeling. Works seamlessly with compatible DYMO LabelWriter 4XL/450-series printers for professional-grade results Bostlabel 12 Rolls LW White 2-1/8" X 4" Shipping labels, Replacement DYMO 30323 - Compatible with DYMO LabelWriter 4XL, 450, 450 Duo, 450 Turbo, 450 Twin Turbo, Not Fit 5XL & 550