8 ml sample vials, 20 pieces sample glass vials with screw cap

HIGH QUALITY GLASS These glass vials are made of Type 1 Class B clear borosilicate glass, which features excellent chemical resistance, thermal properties and clarity 
BLACK SCREW CAPS All vials come with black polypropylene screw caps and natural PTFE/white silicone lining. Resistant to corrosion and high temperatures of -60°C to 200°C. 
Easy to carry: perfect for travel, and fits comfortably in your purse. With screw cap, good sealing to avoid leaks; an ideal intelligent container easy to carry anywhere and anytime, does not occupy so much space 
Wide range of use: ideal for general laboratory use with sample bottles, reagent bottles, storing small amounts of chemical solutions and vapors. Excellent for storing liquids, powders, seeds, samples, etc. Perfect for essential oils, perfumes, reagents, as well as pharmaceuticals, pills and other items. 
Package includes: sample bottles size: 15 x 45 mm, capacity: 4 ml; 144 pieces borosilicate glass vials, 144 black screw caps. Sealed packaging, more hygienic and safe; if you have any questions about this sample bottle, please do not hesitate to contact us at ALWSCI