This 15mL (1/2oz) narrow-mouth Boston round diagnostic bottle is made of natural, translucent polypropylene copolymer. The durable, uniform walls are resistant to splitting or puncturing. This non-sterile diagnostic bottle is used in test kits and many small-volume applications. It can be used for sample storage and shipping of small volume, valuable reagents. Leakproof bottle is supplied with a linerless 20-415 polypropylene closure. Bulk Packed. Leakproof. Non-sterile. Bottle Material: High-Density Polyethylene (HDPE). Bottle Type: Diagnostic. Bottle Style: Boston Round. Neck Type: Narrow Mouth. Closure Material: Polypropylene. Height With Closure: 58mm. Outer Diameter: 25mm. Neck Inner Diameter: 14mm. Closure Size: 20mm. Neck Finish: 20-415. Capacity: 15mL (1/2oz). Nalgene® #: 312006-9050.