Cellular + Roller. Did you ever think such an innovative shade would exist? The sleek, low profile design of roller shades combines with the insulating properties of cellular shades for an energy efficient roller shade. Beautiful fabrics highlight the Sonnette collection, for an ideal backdrop in your home. When you want roller shades, but you need an energy saving solution, get cellular roller shades! Increase comfort year round as the interior temperature is maintained–whether cold or hot outside.