CSS 330 Epoxy is a water clear two part epoxy resin system. Mixing is a 1:1 by volume measurement. It can be used on glass, porcelain, marble, wood, metal and much more. CSS 330 Epoxy can be colored, or filled to match most needs. The one ounce kit contains ½ ounce tube of resin and ½ ounce tube of hardener.