Milky Way Sea Shells Soap Mold Tray - Melt and Pour - Cold Process - Clear PVC - Not Silicone - MW 167 Dimensions: 2.625" x 2.625" x 1 3/8 What better way to advertise the special ingredient in your goat milk soaps than by letting folks read GOAT MILK right on the bar? Material: Clear PVC (Not Approved for Food Contact) Care: Wash in warm, sudsy water. Please avoid the dishwasher because that can warp your molds or make them brittle. Maximum Product Pour Temp: 145F. If you pour at a hotter temperature, your mold will likely warp.