This media bottles are manufactured from borosilicate glass which provides the best chemical resistance. Special pour lip facilitates pouring and cleaning. Have a low alkali content to help prevent changes in pH to maintain the purity of its contents. Packaged in partitioned carton to help prevent scratch marks on bottles. Caps not included. Black Phenolic screw cap can be purchased separately. Hand grips on this bottle provide easy handling. Non-graduated. 125mL Capacity. 123 H x 55mm O.D. Cap On Size. 119 H x 55mm O.D. Cap Off Size. Amber. Borosilicate Glass. 33-430 Cap Size. Wheaton #: 219885.