This Azlon cylindrical narrow mouth lab bottle has a polypropylene body and a polypropylene screw cap, and it is autoclavable. This lab bottle has a narrow mouth for substance control and containment. The LDPE (low-density polyethylene) body is lightweight, flexible, and elastic, has an opaque hue, and resists impact, stress cracks, and moisture absorption. Its cylindrical shape is used for a wide variety of applications that require solution containment. This lab bottle has a polypropylene screw cap to secure contents and help prevent spills and evaporation. This bottle is autoclavable for applications requiring sterility. This bottle is suitable for mixing and storing samples, liquids, and food. 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. SciLabware Limited manufactures reusable metal, plastic, and glass labware under the MBL, Quickfit, Rotaflo, and Azlon brands. The company, headquartered in Staffordshire, UK, meets International Organization for Standardization (ISO) standard 9001:2008.