Styro Extruded Polystyrene Foam (XPS) is a lightweight, rigid, closed-cell foam that is made from polystyrene. It is a versatile material that can be used in a variety of applications, including insulation, packaging, and construction. XPS is easy to work with and is known for its high compressive strength and low water absorption. It is also resistant to many chemicals and is a cost-effective option for a wide range of applications.