Package and Size--You will receive 100pcs clear glass sealed bottles, each bottle comes with rubber stopper and plastic aluminum cap, bottle capacity is 10ml/0.34oz, size about 55mm/2.17 inch long, bottle 50x22mm/1.97x0.87 inch, inner diameter 12.5mm/0.49 inch Clear Bottle--The airtight glass sample bottle adopts transparent body, which is clear and concise, you can clearly see the status of the sample in the bottle, and it helps to accurately grasp the volume of the liquid in the bottle, which is easy to access Sealed Storage--Glass sample storage bottles are designed with secure cap and closure, rubber stopper has good sealing performance, if you need further airtightness, you can also use professional tools to seal the aluminum cap to prevent leakage, ensure the safe storage and transportation of liquid Glass Material--Small liquid storage bottle body is made of glass material with rubber stopper and plastic aluminum top, durable, washable and resuable Wide Usage--Glass bottles can be used to store liquids for a variety of purposes, including laboratory testing, sample collection, essential oils, reagents, dried goods and more