Bulk Packaged 1000mL shipping bottles are safe, durable and cost-efficient. These wide-mouth bottles are specifically designed for packaging and transporting hazardous materials. Recommended for customers who are designing, assembling and certifying their own combination packaging. Split- and puncture-resistant. Wide mouth allows for easy filling of dry materials or liquids. Heavy duty walls. Molded into bottom: IP2 marking, material, volume, registration notch and the NALGENE® brand name. Certified for both domestic and international shipping. 50/Case. Nalgene#: 312199-0032.