High impact polystyrene loops and needles are smooth and flexible to facilitate uniform and smooth streaking without damaging the gel surface. Needles are straight and suitable for removal of specimens of single colonies. Packed sterile in safe, tamper-proof, zip-seal resealable bags. Disposable inoculating loops and needles do not need flaming and thus eliminate the risk of infection due to aerosol formation of pathogenic substances. Cross-contamination due to improper sterilization is eliminated. They can be used under hoods without danger, and are color-coded for ease of size identification. Total length: 22.7 cm. Packaged 25 per bag, 40 bags per case.