This 15 oz. leak-proof glass container makes heating your soup easy, whether you stay home or take it to work. The silicone lid prevents splattering when microwaving. The base container is made from durable polypropylene combined with sustainably-sourced wood fiber - this provides protection for the glass bowl and makes it easy to hold after microwaving. The stainless-steel lid screws onto the base to provide a leak-proof seal.  Glass bowl, silicone lid and wood composite base are microwave safe.  Dishwasher safe, freezer safe, and BPA free.