This glass bottle set is made of materials, can withstand high pressure, is and safe. This laboratory glass bottle set has a good sealing effect and is easy to transport, especially suitable for storing mixtures, essential oils and samples. Features - ColorTransparent - Material: Glass - Size: Approx. 5. 00X2. 20X2. 20cm/ 1. 97X0. 86X0. 86inch. - VIAL BOTTLE: The sample bottle is made of borosilicate material, which is resistant to high temperature and low temperature. Equipped with butyl rubber plug, durable, washable, reusable and resistant. Used in conjunction with aluminum bottle stoppers, suitable for storing any or to avoid the entry of impurities. - SCIENCE GLASS WARE: The diameter of the sample bottle is 24mm, and the height of the sample bottle is 45mm. The volume is 10ml and the wall thickness of the vial is 1mm. - : 20 sets. 20 10ml glass bottles, 20 aluminum caps, 20 rubber stoppers. - SCIENCE BOTTLES: One machine with multiple functions, sample bottles can be used in laboratories and homes, with good sealing effect and convenient storage. Suitable for most prevention and control autosamplers. - GLASS BOTTLES: Vials are not , but can be heated and boiled to achieve sterility. Package list: 80 x empty bottles