Clear borosil glass screw thread sample vials are perfect for storing and transporting valuable scientific samples. Each vial has a capacity of 22ml and measures 28X70mm, providing plenty of space for a variety of sample types. The vials come with phenolic screw caps that are TFE-lined for a secure and leak-proof seal, ensuring the integrity of your samples. These 6 dram vials are ideal for a wide range of scientific applications, from pharmaceutical research to environmental testing. Invest in these high-quality vials to ensure the protection and preservation of your valuable scientific samples.