California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Refractory Mortar, Product Form Powder, Application Constructing or Tuckpointing Fireplaces, Barbeques, and Chimneys, Fire Pits, Laying Fire Brick or Clay Masonry in High Heat Applications, Outdoor Fireplaces, Set or Parging of Smoke Chambers, Setting Clay Flue Liners, For Use On Surface Material Concrete, Stone, Wood, Resistance Properties High Temperature Resistant, Mortar Type Not Applicable, Container Size 50 lb, Container Type Bag, Working Time 1 hr, Full Cure Time 28 day. This item has been restricted from sale in the following state (s): []