Choose the Wide-Mouth Boston Round Bottle-HDPE-125ml for reliable storage and transport. Constructed from high-density polyethylene (HDPE) and featuring a polypropylene (PP) closure, this bottle provides a leakproof seal. It meets USP Class VI standards and has low trace elements. With outstanding chemical resistance to most acids, bases, and alcohols, it’s perfect for storing, packaging, and shipping dry materials and liquids. Ideal for freezer storage down to -100°C.