Alliance Rubber Company Inc. Antimicrobial Rubber Bands, Size 33, 3-1/2 x 1/8 Inches, Cyan Blue, 1/4 Pound Box (42339) 100% latex-free bands Cyan blue color for easy identification Contains no natural rubber proteins and have the added benefit of an antimicrobial agent, which inhibits the growth of fungi, molds and bacteria that can cause product deterioration