Bottle Color: Clear; Bottle Cap Color: Silver; Stopper Color: Grey; Bottle Material: Borosilicate Glass; Stopper Material: Rubber; Cap Material: Aluminum, Plastic; Capacity: 10mL; Cap Diameter: 22mm / 0.9 inch; Bottle Mouth Size: 19.5 x 12.6mm / 0.8 x 0.5 inch(OD x ID); Bottle Size: 21.7 x 55mm / 0.9 x 2.1 inch(OD x H); Packing List: 10 x Glass Vials with Screw Caps Advantage: These lab vials are pre-sterilized, ensuring a clean storage container for samples, or other substances. Made from borosilicate glass, these bottles offer excellent chemical resistance and durability. The vials are designed with secure caps and closures to prevent any leakage, ensuring the safe storage and transport of liquids or powders. Instruction: Twist off the cap, pour the liquid into the bottle, and close the cap at the end. You can cover it with the rubber stopper for a tighter seal. Application: These glass vials are suitable for various applications, including laboratory testing, sample collection, essential oils, reagents, dried goods, spices, and more.