SHEETROCK(R) TOPPING JOINT COMPOUNDA low shrinkage, easily applied and sanded -product recommended for second & third coatsRequires minimal mixing, thinning & retemperingFOR CALIFORNIA SHOPPERSHello Californians! Your government wants us to show you the following message:WARNING: This product can expose you to chemicals including attapulgite clay which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.