Port vents to prevent fogging. Easily fits over personal glasses. Lightweight and durable polycarbonate lenses. Provides protection from non toxic dander, bust & pollen. Provides required eye protection for many hand and power tool applications. Full nose, eyes and mouth protection. Disposable mask with elastic head band. ⚠ WARNING: This product can expose you to DEHP, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.