Our Drosophila K-Resin vials have ultra-high transparency good toughness rigidity and gloss They can be sterilized with ethylene oxide gas or ultraviolet rays and are suitable for observing the growth and development of the drosophila This K-Resin Drosophila Vials can be sterilized with ethylene oxide gas or ultraviolet rays and are suitable for observing the growth and development of the drosophila 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 productivit