This 30mL (1oz) opaque amber high-density polyethylene (HDPE) packaging bottle has a wide mouth for easy filling and dispensing of liquids and powders. It comes with an opaque amber polypropylene closure. The translucent amber bottle meets the requirements of light-resistant containers per USP latest edition. The leakproof round bottle protects light sensitive products while allowing easy visualization of contents. Bulk Packed. Leakproof. Bottle Material: High-Density Polyethylene (HDPE). Bottle Color: Opaque Amber. Bottle Style: Round. Neck Type: Wide Mouth. Closure Material: Polypropylene. Closure Color: Opaque Amber. Height With Closure: 63mm. Outer Diameter: 34mm. Neck Inner Diameter: 21mm. Closure Size: 28mm. Neck Finish: 28-415. Capacity: 30mL (1oz). Nalgene®#: 312185-0001.