Alliance Rubber 42549 #54 Assorted Non-Latex Antimicrobial Rubber Bands, 1/4 lb box contains #19, #33, #64 elastics (3 1/2" x 1/16", 3 1/2" x 1/8", 3 1/2" x 1/8", Cyan Blue) NON-LATEX DESIGN: The synthetic rubber formulation of these antimicrobial non-latex elastic bands won't cause reactions in those with latex allergies, making them a safe choice in latex-free environments. ANTIMICROBIAL PROPERTIES: These non-latex rubber bands feature an antibacterial additive for protection against bacteria, mold and fungi, making them a healthy choice in workplace settings. DISTINCTIVE COLOR: With a bright cyan blue color, it's easy to identify and distinguish these antimicrobial office rubber bands from regular latex elastics to prevent choosing a band that might cause a reaction. STERILIZATION: These antimicrobial non-latex elastic bands can be sterilized using an autoclave and irradiation to ensure they're safe for use in medical facilities. SOFT-STRETCH: With their soft stretch design, these antimicrobial non-latex rubber bands are easy to manipulate to secure small boxes, bags and more. This can help in reducing symptoms related to carpal tunnel syndrome from repetitive strain.