Milky Way Goat Milk Soap Mold Tray - Melt and Pour - Cold Process - Clear PVC - Not Silicone - MW 09 Dimensions: 2.5 x 1.375 x 0.875 Guest size goat bar tray. 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.