Neewer Photography Softbox Diffuser - 25x25 inches/64x64 centimeters with 4 Color Red, Yellow, Blue, White (Softbox NOT Included) This softbox diffuser set consists of 4 pieces 25 x 25 inches/64 x 64 centimeters diffuser, including Red,Yellow, Blue, White Removable external diffuser, Created for soft and even light coverage,ultimately soften light stream and remove shadow to make perfect shooting Softbox Diffuser are used for lighting effects and color correction, involving additive and subtractive color, color mixing, color transmission, absorption and filtering of the different wavelengths of light Use combinations of these diffuser to create different effects Diffuser for softbox used in video, photo and lighting ect.Note: ONLY Diffuser is included