Let BW Window Treatments design and install the perfect window shades in your San Marcos home. Whether you have decided on cellular shades, bamboo shades, roller shades, roman shades, or pleated shades BW Window Treatments will design and install the quality product of your dreams. Your San Marcos home will be the talk of the neighborhood. BW Window Treatments uses only the best available quality products to give you lasting value you can be proud of.