Black Cyber Mask made from PVC and plastic . Gas Mask has inserts in the shape of a Yellow Sign Biohazard , Inserts a removable easy D = 2.76 inch. (70 mm) . Cyber Goth Mask adult sized. An adjustable elastic band long and strong for easy fit and comfort on anyone. You can choose additional other biohazard , radiation , skull symbols by adding it from my other listing…