Lightweight containers with tight-fitting lids. Molded of high-density polyethylene, non-breakable, and white opaque. Designed to simplify and standardize the handling and storage of specimens. The containers are inert and cannot be attacked by formaldehyde or weak acids or bases. Will resist freezing or boiling. They have long shelf lives and are easily disposable. Sturdy enough for reuse. Easy to store, requires little space. Maximum temperature for HDPE is 110° C. Price includes container with lid.