The Apothecary Products Autoclavable Polymethylpentene (PMP) Graduated Cylinders offer the perfect balance of glass-like clarity and the durability of premium plastic. These PMP measuring cylinders are designed for high-precision pharmaceutical compounding, featuring superior chemical resistance and the ability to withstand repeated steam sterilization. With permanent, easy-to-read graduations and a stable hexagonal base, these cylinders are essential for maintaining a sterile and accurate pharmacy lab environment.