Quality Glass Material: Made of sturdy and durable glass material - hard, low in ion content, ensuring strong chemical durability across acid, neutral, and alkaline pH levels, suitable for repeated use.

Secure Closure System: Features 13-425 black screw cap with PE liner, combined with a threaded spout, delivering reliable closure that limits leakage and evaporation during storage.

Compact Dimensions: Vial height (without cap): 45 mm/1.77 inches, vial diameter: 15 mm/0.59 inches. Screw cap diameter: 15 mm/0.59 inches, Cap height: 10 mm/0.39 inches.

Versatile Storage Solution: Ideal for laboratory sampling vials, reagents bottles, essential oils, perfumes, and more. Also suitable for storing loose leaf teas, cooking oils, anointing oil, and other beauty aids.

Clean and Reusable Design: Sealed packaging ensures cleanliness and hygiene. Designed for repeated use while maintaining quality.

Complete Set: Package includes 20 pieces of 4ml borosilicate glass vials with matching caps for various storage needs.