Sufficient Quantity: with 100 tiny glass bottles included, each vial with a round black screw cap and a plastic stopper, you can store and organize a of samples and materials with ease; There's no need to worry about running out anytime soon Reliable and Quality Materials: made of quality glass, these are sturdy and long lasting; You can trust that your samples will be securely stored without the risk of contamination; They have screw caps and plastic stoppers which can seal tight, you need not worry about the leakage of liquid Small Size: these small oil bottles are compact and easy to store; You can take them with you wherever you go and fit them in tight spaces; They are suitable for sharing with your family or friend, and containing liquid or small things Wide Application: these glass vials with screw caps have a capacity of approximately 2 ml, which makes them nice for storing a wide range of samples, including essential oils, perfumes, potions, seeds, liquids, inks, and more Portable and Easy to Use: thanks to their small size and design, these glass vials are portable and easy to use; You can take them with you on camping trips, lab experiments, crafting, storing liquids and solids or store them in your desk drawer These small vials make for nice gifts for scientific enthusiasts, hobbyists, or anyone who needs a reliable storage solution. They're practical, and come in a generous quantity. Capacity:.2 ml Notes: 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 nice care. Colour:Transparent & Black Material:Glass Package Contents: 100 x Clear glass vials Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.