THE BEARKAT BK1'S SUPER WELL THOUGHT-OUT CONSTRUCTION COMBINES THE BEST IN SAFETY COMFORT AND AFFORDABILITY YOUR VISION IS UNOBSTRUCTED BY THE ONE-PIECE WRAPAROUND LENS WHICH BY ITS TIGHT FIT ALLOWS YOU MAXIMUM SAFETY. COMFORT IS ENHANCED BY THE FLEXIBLE TEMPLES AND THE NON-SLIP TEMPLE SLEEVES ARE NOTCHED FOR A CLIP-ON BREAKAWAY CORD WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov - Bisphenol A (BPA)