Durable general-purpose 30ml (1 ounce) high-density polyethylene (HDPE) bottle with countless applications in the lab or field. Translucent; more rigid than LDPE. Wide mouth is easy to fill with dry materials or liquids. Excellent chemical resistance to most acids bases and alcohols. Good for freezer use to -100°C. Suitable for shipping liquids. High-density polyethylene (HDPE) bottle with polypropylene (PP) screw closure. Capacity: 30ml. 12/Pack; 6 Packs/Case. Nalgene® #: 2104-0001.