3 Rolls Label Tape for B21/B1/B3S Label Printer White 50x30mm, Waterproof Self-Adhesive Thermal Labels Paper for Home Office School Business Labeling Use

Specifications

• 3 Rolls of B21 Labels: The package includes three rolls (50x30mm / 1.97"x1.18") of high-sensitivity thermal labels (230 sheets per roll, 690Pcs total). No ink or toner needed—prints crisp black text, barcodes, and QR codes directly onto the bright white paper.
• Compatible for Niimbot Label Printer: Designed for NIIMBOT B21/B1/B3S label makers with smart auto-detection. The built-in chip lets your printer instantly recognize the labels size—no manual template setup required!
• High Quality Thermal Paper: Waterproof, oil-proof, scratch-resistant, and tearproof for long-lasting clarity. Strong adhesive sticks securely yet removes cleanly without residue—perfect for reusable surfaces.
• Widely Applications: The B21 paper can be used for organization labels for kitchen and household storage, as well as price barcodes, mailing, or address labels. It is a good label helper for kitchens, offices, stores, warehouses, etc, especially very suitable for commercial supermarket retail applications.
• Warning: Please make the printing side face the print head and fix the plates to avoid printing distortion. The sticker on the side of the roll contains a printing sensor chip. Please do not tear or destruct the sticker , otherwise it will affect the printing effect.