This Nalgene square wide-mouth lab bottle has a PPCO body, and a polypropylene screw cap, and it is autoclavable. This lab bottle has a wide mouth for filling ease, and it is used for liquid and sample storage. The PPCO (polypropylene copolymer) body provides greater flexibility and impact resistance than polypropylene lab bottles, and it can be sterilized and autoclaved. Its square shape is used for space-efficient storage, and for applications that require stability and gripping ease. This lab bottle has a polypropylene screw cap to secure contents and help prevent spills and evaporation. This lab bottle is autoclavable for applications that require sterility. This bottle is suitable for use in general purpose mixing, storing, and sampling applications.Lab bottles are used to store, hold, and mix liquids, powders, and other substances in a wide variety of scientific industries. Lab bottles have a more pronounced neck and shoulder than jars. Lab bottles are manufactured with a combination of characteristics in order to meet the demands of particular applications, such as for solution dispensing, mixing, and weighing, and use in centrifuge operations. They come in many shapes for specific applications, with a variety of mouth or nozzle shapes and sizes for specific use. Lab bottles are made from materials, such as glass (borosilicate or soda-lime) and an array of plastics, which are selected for chemical and thermal expansion resistance, transparency, and their adaptability in a variety of applications. Lab bottle interiors, caps, and lids are often lined with a protective material. Caps and lids help seal bottles to prevent solutions from spilling. The capacity refers to the fluid amount held by a lab bottle, and is commonly measured in milliliters (mL) and liters (l), and sometimes in ounces (oz). Lab bottles are suitable for use in chemistry and biology applications, as well as in pharmaceutical and scientific testing.Nalge Nunc International manufactures plastic laboratory containers, outdoor sports bottles, and packaging materials under the Nalgene brand name. The company, founded in 1995, is headquartered in Rochester, NY.