The Vita-Mix blender is a staple of the kitchen. Because it is used so often, multiple blender containers are necessary to keep up with customer demands that come through. This Vita-Mix 15978 Advance Blender 48 ounce Container is made of clear, polycarbonate and includes Advance container, lid and blade assembly. Fits The Quiet One, Blending Station Advance and Drink Machine Advance blenders.