Use and Limitations: Protective eyewear helps provide limited protection from light to moderate impact hazards, such as metal or wood chips and small flying particles. Care should always be used. This lens is impact-resistant but not unbreakable. Do not use if lens becomes pitted, cracked or scratched. Do not use for protection against mists, sprays and splashes. Do not use for sports or simulated combat games. Do not use for burning, cutting or welding with torches, or electric (are) welding. It does not protect against severe impact hazards such as fragmenting, grinding wheels or abrasive disks, or explosive devices. Damaged frames reduce protection and must be immediately replaced. Use 3M respiratory, hearing, head and face protection to help with your other safety needs. Clean lens with a soft cloth for better visibility. Store in a clean, dry area. Meets the requirements of ANSI Z87.1 and CSA Z94.3.