Signaling Mirror with LanyardHigh quality, durable construction, will not corrode due to effects of salt water.Features:. View finder and lanyard. Visiblity to 10 miles. Measures 3" x 4". WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.