Discover the versatile and durable Nalgene HDPE Square Narrow Mouth Labware Storage Bottles the perfect solution for secure, space-efficient storage of liquids, chemicals, or samples. Crafted from high-density polyethylene (HDPE), these BPA-free bottles are designed to withstand extreme temperatures from -135C (-211F) to 135C (275F), making them suitable for laboratory, industrial, or outdoor applications. Their square shape maximizes storage space, allowing them to tuck neatly into corners or tight spaces, while the narrow mouth design ensures smooth pouring and easy handling. Each bottle is dishwasher safe (top rack), facilitating quick cleaning and maintenance. Engineered with high-quality materials and precision manufacturing, these labware storage bottles offer reliable performance, chemical resistance, and safety for laboratory use, field work, or organization at home or in professional settings. Available in multiple capacities 1 oz, 2 oz, 4 oz, and 8 oz they provide flexible options for all storage needs. Optimize your workflow with these innovative, space-saving, and temperature-resistant storage solutions.