Store and transport your materials securely with the Wide-Mouth Boston Round Bottle-HDPE-30ml. This high-density polyethylene (HDPE) bottle features a polypropylene (PP) closure, ensuring a leakproof seal. Conforming to USP Class VI standards, it offers excellent chemical resistance to most acids, bases, and alcohols. With low trace elements, it’s perfect for storing, packaging, and shipping both dry materials and liquids. Ideal for freezer storage down to -100°C.