Our Drosophila Polystyrene Vials are crafted from crystal-clear polystyrene offering exceptional glass-like transparency for optimal visibility in laboratory applications Available in two convenient sizes these vials are designed to meet the diverse needs of your lab Choose from two practical packaging options tailored to enhance efficiency and productivity Narrow Vials 25 x 95 mm Wide Vials 28 5 x 95 mm Tray Packed 100 vials per tray 5 trays per case (500 vials total) pre-racked in stacked cardboard trays with dividers for easy access and quick setup Bulk Packed 500 vials per case layered with open-end orientation for cost-effective storage and use Tray-packed vials are particularly advantageous offering a time-saving solution with pre-arranged organization ready for immediate use This eliminates the need for manual handling streamlining your workflow and saving valuable resources Choose these ready-to-go vials for enhanced productivity and convenience in your laboratory proces