Clam Shells 6 Cavity Soap or Chocolate Mold This is a new Clam Shells 6 Cavity Soap or Chocolate Mold for all your soap making projects. A great mold for your soap making projects - lots of fun too. Makes a great guest size soap - holds approximately 1.5 ounces of soap. Dimensions: 2 1/4 x 2 3/8"