Thermo Scientific Nalgene Polymethylpentene Graduated Cylinder. No meniscus to confuse readings. Guaranteed to meet accuracy requirements of ASTM Class B, E1272. ISO Standard 6706. Large blue base prevents tipping. All sizes have generous pour spout. Molded in translucent polypropylene. Molded-in large, easy-to-read graduations. Can be chemically sterilized. Meets requirements of CFR 21, Part 177.1520. Material PMP. Volume 100ml. Limit Of Error ±1ml. Graduations 1ml. Graduated Yes. Autoclavable Yes. Pack Qty 1.