This laboratory medical bag is specially designed for various medical laboratories and research institutions, made of thickened polymer material, with a thickness of 0.08mm, 60% thicker than standard medical waste bags, providing excellent physical protection performance. The bag is prominently printed with internationally recognized biohazard symbols and bilingual warning text, complying with the WHO Laboratory Biosafety Manual and GB 19217 standard requirements. It features excellent chemical stability, with an acid-alkali resistance range of pH 0-14, capable of withstanding various common laboratory solvents. The product has passed BFE 99.9% bacterial filtration efficiency testing and liquid barrier testing, effectively preventing pathogen leakage and environmental contamination. Particularly suitable for PCR laboratories, microbiology laboratories, virus laboratories, and other places handling high-risk biological samples, it is a professional solution for laboratory biosafety management.