These Double Sided Modular Test Tube Racks are brand new. They are a versatile and compact storage solution for medical, microbiological, and biological laboratories. Made of durable polypropylene material, these racks come in multiple colors for easy identification. With a weight of each are 4.3 oz and dimensions of 8″x 3″ x 1″. They are designed to rest on a table for convenience. The rack features four sides with multiple compartments, providing ample storage space for test tubes. Whether used in a professional laboratory setting or for educational purposes, this test tube rack offers practicality and organization.