ArrayIt Brand Ultra-Low Volume 384-Well Microarray Microplates set a new standard for low volume sample handling and printing for microarray applications. Rigid polypropylene construction and well design make these ultra-low volume microplates ideal for use with patented contact printing technology using Arrayit microarray printing pins, and high-end microarray robots equipped with plate and lid handling systems. The unique well geometry and surface properties expedite the use of small sample volumes. Package of 50 Plates.