Milky Way Goat Milk Soap Mold Tray - Melt and Pour - Cold Process - Clear PVC - Not Silicone - MW 21 What better way to advertise the special ingredient in your goat milk soaps than by letting folks read GOAT MILK right on the bar? The Goat Milk Soap Mold Tray also has a simple floral border and makes eight rectangular bars. 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.