For soft indirect flash light use the pure white size. For greater range and use the silver size. It helps to reduce hard background shadows and eliminates the annoying red eye effect. Note:This goods is one reflector with two sides(white/silver), not two reflectors. One Reflector Only. Color: Black silver Material: metal Size: 20x18.5x0.5CM Suitable for: SB-800, SB-600, SB-80DX, SB28, SB26, SB25, SB24 580EX, 550EX, 540EZ, 430EX, 420EX, 380EX, 430EZ 40MZ2, 54MZ3 5600hs, 5400xi/, 5200i, 3600 FL-40, FL-50, G40 HVL-F1000, HVL-F32X EF-500DG Super, 360TW, 360TXP, PZ400-C-N-M Sunpak 2000DZ, 266D, MZ440AF 988 2500, 273, 3500, 850AF Package Contents: 1 x Silver/White Flash Diffuser Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.