This high-density urethane spot light ring from Renovator's Supply gives your light classic, stylish and durable trim. Our high-density urethane is resistant to water damage, cracking, peeling, and bending or deformation, unlike wood or plaster. It's also lightweight, making installation a breeze. This piece is factory primed white and ready to be painted whatever color matches your decor. DIMENSIONS: 4" ID x 8" OD.