The UON head mask - 3.2 mm maximum perforation is made of U-Plast, with a thickness of 3.2 mm and maximum perforation. Ideal for precise patient immobilization in radiation oncology applications. U-PLAST™ is easy to mold, providing excellent reproducibility and patient comfort. It has a non-stick, antibacterial coating, reducing the spread of microbes in the hospital environment. Available in different configurations.