The Wide-Mouth Boston Round Bottle-HDPE-60ml is designed for optimal storage and transport of your materials. Made from durable high-density polyethylene (HDPE) with a polypropylene (PP) closure, this bottle guarantees a leakproof seal. It conforms to USP Class VI standards and is low in trace elements. Excellent chemical resistance to acids, bases, and alcohols makes it ideal for storing, packaging, and shipping both dry materials and liquids. Suitable for freezer storage down to -100°C.