Standard Pack = 1 piece(s). Capstone goggle incorporated with removable shield provides Full face protection. The shield with ratchet allows user to open or close in 3 positions for adjustment; 4 ventilation Holes provide appropriate airflow. The polycaronate shield conforms to the face offering increased impact and dust protection. Indirect-vent frame provides protection against splash and dust. Soft vinyl goggle body conforms to facial contours for a very comfortable fit. High Impact resistance against flying particles. Fits over prescription glasses. Fully adjustable elastic band. Includes 2 disposable tear off visors, which can be replaced as they become dirty or scratched.