Not for Food. NOT FOOD GRADE *************************** The silicone we use is flexible and durable. It's library shelf life is measured in decades compared to other cheaper silicone. PLEASE READ BEFORE PLACING YOUR ORDER: Original molds and cavities have been tested with Resin and a soy/paraffin blend wax. Consider your material & skills in the materials you are working with and always be very careful when removing the mold pieces to avoid breaking the pieces. Some molds are custom made to order. Time for manufacturing takes 1-3 business days.