Instructions for use：
1. PVC frame that lightweight, high impact
2. 100% UV protection, anti-fog, hard coated, resists scratching, fogging and static.
3. Endurable soft & adjustable rubber band.
4. Gently hug the face, comfortable for all users.
5. A high wrap lens, soft flange that seals the entire lens perimeter to help keep out liquid splash
6. indirect vent channels to increase airflow and help minimize fogging.
7. perfect for all construction and industrial environments.