"Polyline Frosted Ceiling Panels have a modern design ideal for professional and stylish settings. The “lume” in Ceilume stands for ILLUMINATION and we give you three unique ways to let the light shine in whether you want localized lighting effects or a fully illuminated ceiling. Our frosted material has no pigment allowing greater light transmittance than translucent yet still providing some light diffusion. 2' x 4' (2' x 2' also available) Frosted 76.81% light transmittance. Can be installed in standard 1"" drop ceiling grid. Suitable for use as edge trim. Can be placed directly beneath lighting fixtures in traditional interiors or throughout the entirety of your installation for a fully illuminated ceiling effect. "