The warning that you referenced is required in accordance with California’s Proposition 65. A Proposition 65 warning does not necessarily mean a product is in violation of any product-safety standards or requirements. This product has been thoroughly tested, is safe for consumer use, and meets all required industry standards. Many consumer products that are sold in California are required to make this warning available to consumers. For more information concerning Proposition 65 please visit the following website: http://www.oehha.ca.gov/prop65.html