The state of California's Proposition 65 regulations (Prop-65)
require that the consumer be notified or warned prior to a product's
purchase should it contain chemical or chemical compound considered by California to cause cancer, or birth defects, or other reproductive harm.
For more information directly from the California Pro-65 website, visit this link: Proposition 65 Warnings Website.
WARNING: This product
can expose you to chemicals including Lead which is known to the State
of California to cause cancer, or birth defects, or other reproductive
harm. For more information, go to http://www.P65Warnings.ca.gov.