PassPort® IP2 bottles are excellent for small-scale inter-lab shipping of hazardous samples and chemicals such as corrosives and cleaning compounds. Wide mouth allows for easy filling of dry materials or liquids. Recommended for customers who are designing, assembling and certifying their own combination packaging. Heavy-duty walls. Designed to resist splitting and puncturing from shipping shocks; proven effective by industrial users. Leakproof. With polypropylene screw caps.