This is a food grade flexible silicone mold that will hold a 2-3 lb. batch of soap. The wood box ensures that the mold keeps it shape after the soap is poured in so you have a beautiful finished block of soap without the mold bowing out. Mold measures 3 x 2.7 x 10 inches. Silicone mold is dishwasher, refrigerator, freezer and microwave safe, flexible and reusable.