Commercial Grade - Premium Adhesive & Perforated, Thermal Labels Compatible with JADENS, iDPRT SP410, POLONO hese printable labels are made of upgraded material, ensuring they are waterproof and oil-proof, resulting in clear images and easy-to-read barcodes. They also resist smudges and scratches. Each blank 4x6 mailing label comes with a perforated line for easy peeling. Rest assured, Sanbott thermal labels have been thoroughly tested and found free from harmful substances like BPA or BPS, which are industrial chemicals known to cause endocrine disorders and health issues. These labels are smudge-free and resistant to water, dirt, dust, and grease. Use them for printing shipping labels and internet postage labels for various transportation and e-commerce platforms, including FedEx, USPS, UPS, With superior compatibility, fade resistance, and BPA/BPS-free assurance, they are the perfect choice for your shipping needs across multiple platforms. Make your shipping process smooth and hassle-free with our versatile and high-performing labels.