LIGHTWEIGHT AND REUSABLE - Lightweight design allows you to slide onto your existing cap without the need for attaching anything to your head or face. CapLens can adjust AWAY from your nose on the brim of your cap based on your preference, Simply adjust the distance by sliding CapLens farther or closer to your face as needed. Easily cleanable and reusable. Please note that cleaning the face shield with Windex or other cleaning agents will result in the removal of the anti-fog layer.