Cospak’s natural polypropylene round jars are designed for reliable storage in laboratory, medical, and industrial environments. Featuring a wide 130 mm screw neck, these jars ensure a secure seal while allowing easy filling and access. Manufactured from autoclavable polypropylene, they offer excellent chemical resistance and can withstand repeated sterilisation. Supplied in cartons of 48, they’re ideal for bulk use in research, clinical, or educational settings.