BPA/BPS Free--NIIMBOT thermal label paper has passed various environmental protection and safety certifications. NIIMBOT thermal sticker labels clear printing, no color fade, waterproof, anti-oil, tear-resistant, non-toxic, harmless, and degradable. You could use it at ease. Widely Use--The NIIMBOT B1/B21/B3S/K3 thermal labels are great for Business, Office, Home Use and more. Good ideal for making 1D/QR codes, and business/memo/clothing/product prices/addresses/logo labels. Clear Printing--NIIMBOT APP offers variety of fonts, frame and Icons. one-click printing, saving time and effort. Thermal print technology provides clear lettering. NIIMBOT Thermal Labels--No ink or toner required. With better quality with stronger adhesiveness. The Peel-and-stick thermal labels with strong self-adhesive backing. Print with direct thermal printing technology, and the label does not leave no trace residue after peeling off. You Will Get--Thermal sticker labels, 150 labels/Roll. The Self-Adhesive label papers size 2'' x 2'' (50x50mm). The label sticker suitable for NIIMBOT B21/B3S label maker, waterproof and widely use.