This laboratory vial rack is made of high-quality polypropylene (PP) material to ensure durability and chemical stability. Each vial rack is designed with 50 holes, and each hole can perfectly accommodate a 2ml standard vial. Available in four colors: white, blue, red and orange, our perforated racks are both practical and decorative in the laboratory environment. Unique customization service allows you to add your own laboratory logo or logo on the rack to enhance brand recognition. Whether for everyday use or professional presentation, this hole rack is ideal.