Niimbot B1/B21 Thermal Label Maker – Waterproof Sticker Printer

Niimbot B1/B21 Portable Thermal Label Maker

Meet the Niimbot B1/B21 Mini Thermal Label Printer — your compact, go-anywhere solution for printing crisp, professional labels right from your smartphone. Whether you're organizing your home, tagging products for your small business, printing price tags, or creating custom QR codes, this pocket-sized powerhouse makes it effortless. Made in Mainland China.

Why You'll Love It

• No Ink or Toner Needed: Direct thermal printing technology means zero mess and zero running costs — just load the label paper and print.
• Waterproof & Durable Labels: Niimbot thermal labels are waterproof, anti-oil, and tear-resistant, so your labels stay legible wherever they're applied.
• BPA/BPS Free: Labels have passed multiple environmental protection and safety certifications — non-toxic, harmless, and degradable for peace of mind.
• Crystal-Clear Printing at 203 DPI: High-resolution output at up to 8 pages per minute ensures sharp text, barcodes, QR codes, logos, and more.
• Strong Self-Adhesive Backing: Peel-and-stick labels bond firmly and leave no residue when removed — perfect for temporary or permanent labeling tasks.
• Versatile Use Cases: Ideal for home organization, office memo tags, clothing labels, product pricing, address labels, 1D/QR codes, and business branding.
• Mobile App Powered: Use the free Niimbot app to choose from a variety of fonts, frames, and icons, then print with one tap — saving you time and effort.
• Wide Voltage Compatibility: 100–240V input supports use in different regions worldwide.
• CE & FCC Certified: Meets international safety and electromagnetic compatibility standards.

Technical Specifications

Perfect For

• Small business owners & retailers — print price tags and product labels on demand
• Home organizers — label pantry jars, storage bins, and files in seconds
• Office teams — create memo, address, and barcode labels quickly
• Crafters & DIY enthusiasts — add custom stickers and tags to handmade items

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Learn more: Ready.gov emergency supply guidance

Frequently Asked Questions

Q: Does the Niimbot B1/B21 thermal label printer require ink or toner cartridges?

A: No — the Niimbot B1/B21 uses direct thermal printing technology, which means no ink, toner, or ribbon is ever needed. Simply load Niimbot-compatible thermal label paper and print directly from your smartphone via the Niimbot app.

Q: Are the Niimbot thermal labels safe and durable?

A: Yes. Niimbot thermal labels are BPA/BPS free, have passed multiple environmental and safety certifications, and are non-toxic, harmless, and degradable. They are also waterproof, anti-oil, and tear-resistant, making them suitable for kitchen, office, retail, and outdoor use.

Q: How do I connect the Niimbot B1/B21 printer to my phone?

A: The Niimbot B1/B21 connects to your smartphone (iOS or Android) via the free Niimbot app, supporting both wired and wireless connectivity. The app gives you access to a wide variety of fonts, icons, and frames for fully customized label printing.

Q: What label sizes are compatible with the Niimbot B1/B21?

A: The printer supports label paper up to 58 mm wide. For best results, use official Niimbot-branded thermal label rolls that are designed for B1/B21/B3S models to ensure reliable feed and clear print quality.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.