ShimmerScreen® The World's #1 Ball Chain Curtain Versatile and stunning, ShimmerScreen is BCM Architectural's premier product line. Businesses and individual homeowners all over the world use our customizable metal ball chain curtains to capture light and define space. This striking visual element is available in a variety of colors, shapes and finishes. Suitable for applications such as room dividers, window treatments, art installations and lighting fixtures, ShimmerScreen is currently on display in renowned restaurants, five-star hotels, fortune 500 corporate lobbies and celebrity residences. ShimmerScreen is proudly made in the USA by Ball Chain Mfg. Co., Inc., the world's largest manufacturer of ball chain and related accessories. Family owned and operated since 1938, our company produces the industry's highest quality ball chain and distributes products globally.