"Cap Inserts"

These cylindrical food-grade HDPE containers with black HDPE screw closures are supplied with a neck insert for added security, suitable for powders, solid specimens, creamy or semisolid substances, crystals, and hygroscopic substances.

These wide mouth jars are made from soda lime glass and have a polypropylene cap with a polyethylene liner.

Flint glass specimen jars for easy storage.