Package Includes: you will receive 80 pcs of 5 ml glass vials with screw caps, each one has a round black screw cap and a plastic stopper, measures about 0.63 inches/ 16 mm in bottom diameter, the sufficient quantity can meet your various needs and replacement Reliable Materials: the small vials for liquids are made of quality thick glass, which is hard, sturdy, and equipped with plastic round screw caps, which can help to seal tight to prevent the leakage of liquid; You can use it to hold the contents without worrying about leakage Suitable Size: the small oil bottles have the small size and can save more space, easy to carry and store many kinds of powder, liquid or small items, suitable size for sharing oils with friend and family or for traveling carry Wide Applications: the small glass vials with lids are nice for storing liquids, powders, perfumes, essential oils, inks, seeds, specimens, jewelry or other handmade accessories, are suitable for special use or personal use, nice for you to mix your own essential oils and perfume oils Double-lock Leakproof Design:features screw-on caps with inner plastic stoppers, creating an airtight seal ideal for liquids like essential oils, holy water, or medical samples; No more spills in your bag or lab equipment Features: The clear color of the glass oil sample bottles helps the user clearly see the color of liquid inside the bottle and capacity, are also great to use for display samples. The mini bottles with lids can carry many small things you want instead of big bottle, especially when traveling due to insufficient storage space or strict aircraft safety regulations. Specifications: Material: glass, plasticColor: black, clear Size: approx. 0.63 x 1.77 inches/ 16 x 45 mmCapacity: approx. 0.18 oz/ 5 mlPackage includes: 80 x Clear glass vialsNotes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Please note the size detail information before ordering. Please tighten the screw cap to prevent liquid leakage. Glass is fragile and must be handled with great care.