Clearfil Photo Bond is a dual-cure dentin and enamel bonding agent used for the total-etch-technique. This formula was developed for use with light-cure restorative materials. It adheres to metal and amalgam, as well as to porcelain when mixed with Porcelain Bond Activator. Contains: 1 (6 ml) catalyst, 1 (6 ml) universal, 1 (6 ml) K-Etchant gel, 1 brush, 1 mixing dish and 1 sponge pledget.