3M™ Professional Faceshield, used to helps protect the eyes and face against certain impact and chemical hazards, offers full face protection and a customized fit. The crown protector is made of thermoplastic material. The patented window is made of polycarbonate while the window attachment system is easy to replace. The adjust pin-lock system is easy to adjust and offers a secure, custom fit. 3M™ Professional Faceshield meets the requirements of ANSI Z87.1-2003 and is a great choice in full face protection for both the pro and DIYer. Helps protect the eyes and face against certain impact and chemical hazards Crown protector is made of a high-strength thermoplastic material Window is made of polycarbonate Proprietary window attachment system is easy to replace Easy to adjust pinlock for a custom, secure fit Meets the requirements of ANSI Z87.1-2003