pangshi Two-Sides Flash Diffuser Softbox Silver/White Reflector for Speedlite Nikon SB-600, SB-800, SB-900, Canon 380EX 430EX 550EX 580EX Vivita Flash Sunpack Nissin Sigma Sony Pentax Olympus Yongnuo For soft indirect flash light use the pure white size. For greater range and spectral highlights use the silver size. It helps to reduce hard background shadows and eliminates the annoying red eye effect. Please understand that this goods is one reflector with two sides(white/silver), not two reflectors