Snap Cap Containers are molded of rigid-wall polystyrene with tight fitting polyethylene Snap-On caps

Approximately 16 drams per ounce. Maximum operating temperature for polystyrene is 70 °C.

Excellent for storing dry materials, powders, tablets, etc. The 7 dram size may be used with automatic cell counters for collection of sample and, where venous samples are used, for dilution purposes.