4216. Square Format Labels Set. 60 common DC labels.. Reinforced, weatherproof material. Used on WeatherDeck Waterproof Panels. Used on Battery Management Panels. Used on 360 panel system. 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.