This 15mL (1/2oz) narrow-mouth Boston round diagnostic bottle is made of opaque amber high-density polyethylene. 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 that are sensitive to light. Leakproof bottle is supplied with an opaque amber linerless polypropylene closure. It is non-pyrogenic and non-cytotoxic. Bulk Packed. Leakproof. Non-sterile. Bottle Material: High-Density Polyethylene (HDPE). Bottle Color: Opaque Amber. Bottle Type: Diagnostic. Bottle Style: Boston Round. Neck Type: Narrow Mouth. Closure Material: Polypropylene. Closure Color: Opaque Amber. Height With Closure: 58mm. Outer Diameter: 25mm. Neck Inner Diameter: 14mm. Closure Size: 20mm. Neck Finish: 20-415. Capacity: 15mL (1/2oz). Nalgene® #: 312004-9050.