Made from premium PET/PETG materials, our square media bottles offer excellent gas barrier properties to protect your valuable contents from contamination and degradation. Available in a variety of sizes from 5 ml to 1000 ml, these plastic media bottles are versatile enough to meet all your storage needs. Whether you are preparing and storing buffers, sera, culture media, or pH-sensitive liquids for long-term storage, our sterile PETG bottles offer the reliability and performance you need.