Leak-proof Design: The sample bottle comes with a plastic stopper and a screw-on plastic cap designed to ensure a tight seal and prevent leakage. You can put it anywhere you want, easy to store and carry. Material: The vials are made of high quality glass, high transparency, durable and reusable, suitable for home use or travel to load samples. Capacity: Bottle capacity about 5ml(0.17fl. oz). Size about: 38mm/1.5inch high, bottle: 35x22mm/ 1.37x0.86inch, please refer to the picture for details. Wide Application: Small bottles are perfect for storing liquids, lotions, shampoos, aromatherapy, essential oils, etc. Large caliber is very convenient and easy to hold and access. Package: 60Pcs 5ml(0.17oz) glass bottles with 60pcs screw plastic caps and 60pcs plastic stoppers, high quality packaging to ensure safe delivery.