This 32mL sample vial in a Lab File™ tray is manufactured of clear Wheaton '800' borosilicate glass. It is supplied with an attached LDPE 30mm plastic cap that snaps over a special sealing ring to form an effective barrier to moisture, making this bottle especially suited for hygroscopic materials. Bottle can be used for collecting, storing, and exhibiting a wide variety of specimens in lab or field. Packaged in a Lab File™ corrugated tray with partitions and then shrink-wrapped to reduce particulate contamination. Meets USP Type III standards. Material: Type III Borosilicate Glass. Color: Clear. Closure Material: LDPE Plastic. Closure Size: 30mm. Diameter x Height: 30 x 63mm. Capacity: 32mL. Packaging: Lab File™ Corrugated Tray. Wheaton #: 225539.