This Nalgene Boston round wash bottle has an LDPE body, a molded, angled spout, and a polypropylene screw cap. This wash bottle is used to wash labware and to store washing solutions, such as acetone or deionized water. The LDPE (low-density polyethylene) body is lightweight, flexible, and elastic, has an opaque hue, and resists impact, stress cracks, and moisture absorption. Its Round shape used for a wide variety of common applications that require fluid containment. This lab bottle has a spout that is molded into the bottle's body to prevent cross-contamination and eliminate the need for a draw tube. Its angled dispensing nozzle directs the stream of liquid. The spout tip can be cut back to increase the flow of washing solution. The bottle has a polypropylene screw cap to secure contents and help prevent spills and evaporation. This bottle is suitable for storing and transporting labware washing solutions.

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.