High quality plastic bottles made from premium polyethylene (HDPE), designed for chemical resistance, leak proof performance, and safe storage. Sterilized and ready to use, they meet laboratory and transport needs with precision manufacturing. Features: Leak proof, wide mouth design DNAse/RNAse free, pyrogen free, non toxic Gamma ray sterilized in Class 100,000 cleanroom No pre cleaning required Smooth, high gloss finish Temperature resistant: HDPE (60℃ to 80℃)