Vials (also known as phials or flacons) are available in glass or plastic, and with a variety of caps, stoppers and liners to meet your individual applications. Our large selection includes general-purpose and specialty vials such as transportation vials for shipping biological specimens. When selecting a vial, be specific to your application. Glass vials are common in labs becuase of their high heating ability. If you select a plastic vial, make sure the type of plastic will work with your application.