Nalgene is a brand best known for its durable and reusable water bottles and containers. Founded in the 1940s, it originally produced laboratory equipment but gained popularity for its BPA-free plastic bottles, which became favorites for outdoor enthusiasts and everyday users alike. Nalgene bottles are praised for their toughness, wide mouths for easy filling and cleaning, and a variety of sizes and designs.

Over the years, Nalgene has expanded its product line to include other types of containers, including food storage solutions and specialized gear for camping and hiking. The brand is also recognized for its commitment to sustainability and has encouraged the use of reusable bottles to reduce plastic waste.