YIKIADA 4 x 4.7 Inches UN 3373 Labels 500 PCS Biological Substance Category B Warning Label Stickers

["Product Specifications: Each roll contains 500 UN3373 Category B Biological Substance labels, specifically designed for the transport of diagnostic samples or medical waste containing infectious substances and meets the strict IATA PI 650 compliance requirements for packaging in laboratories, medical institutions and research facilities","Eye-Catching Design: The labels are printed in strict accordance with DOT and IATA standards, featuring clear “UN 3373 BIOLOGICAL SUBSTANCE, CATEGORY B” text on a high-contrast black background with white lettering","Dimensions and Usage: Each label measures 4 x 4.7 inches, ensuring it is clear and prominent on all types of shipping boxes. Simply peel off the backing and apply the label directly, significantly improving packaging efficiency while ensuring the safety and compliance of your samples throughout the entire shipping process","Durable Material: The labels are made from high-quality vinyl, offering excellent resistance to water, oil and abrasion, making them extremely durable","Wide Applicability: The labels feature a strong, permanent adhesive that securely bonds to corrugated cardboard boxes, plastic totes, foam insulated boxes and metal surfaces"]