Fotodiox Background Reflector for Balcar, Paul C Buff (AlienBees, Einstein, etc.) Lights w/Diffusion Sheet Projects an oval of light on your background, can also be used for backlighting Ideal for impressive portrait photography and colored illuminated backgrounds Diffusion sheet included for immediate use 8.9in (22.2cm) Diameter, 13.8in (35cm) Length 24-Month Manufacturer Warranty