Specification: Material: Plastic, Glass; Color: Black; Volume: 1 ml; Bottle Neck Outer Diameter: 12.5 mm / 0.49 Inch; Bottle Body Outer Diameter: 16 mm / 0.63 Inch; Bottle Body Height: 21 mm / 0.83 Inch; Total Height: 25 mm / 0.98 Inch; Packing list: 12 Pcs x Clear Glass Graduated Vials
Application: These clear glass graduated vials work as versatile small liquid containers. Use them for essential oils, perfume samples, reagents, or beauty skincare trial sizes. They are also Perfect for long-term storage, transport, and preserving unstable liquids safely. The inner plug design works in tandem with the screw cap to double the leak-proof effect, further locking the liquid and preventing volatilization, perfect for labs, personal care, and daily use.
Advantage: Featuring plastic screw caps (leak - proof, hygienic, and secure) and a thick - walled glass body (durable, crafted from premium raw materials). The inner plug design and screw cap form a dual-protection leak-proof structure, effectively preventing liquid leakage even if the bottle is shaken or inverted. The bottle has clear graduations for easy and accurate reading; its transparent design allows you to easily observe the contents.
Instruction: It's very simple to use. Just open the cap, put the item in the bottle, press the inner stopper firmly, and then tighten the cap. The tight seal protects the contents from leakage of unstable compounds or oxidation.
Note: Handle with care. Do not exceed the bottle's capacity to avoid spillage. You can mark items on the cap or bottle for easy organization and identification.