These clear glass wide mouth bottles have a plastisol coating to reduce breakage. If a bottle should break, the contents and glass particles will be contained long enough to allow for proper disposal. Caps are attached. The Qorpak wide-mouth AC round bottle has a clear glass body, straight sides, an exterior safety coating, and a black phenolic cap with a vinyl-coated pulp-board liner. This lab bottle has a wide mouth for filling ease, and is used for liquid and sample storage.