ITEM NAME:30cm Round Softbox White-balance Diffuser w/ Gray Black White Card for Flash Description: - It's no only a flash diffuser,but also can be a gray card,fit most of flash. - On one hand,it can be a flash duffuser when your fix it on a camera,on the other hand,you can use another side. - There are three colors on another side--white/gray/black,It can help you to accomplish the white balance correction. - The folding design,It can be folded flat style,convenient and portable use,easy carry. - Have a significant improvement over direct flash which will make harsh shadows Specification: - Material: Advanced reflective fabric - Expand size: 30x7cm - Scope: soft mask for a variety of brands of top flash use Package Included: 1x Gray Card Flash Diffuser 1x Carrying Ba.It's no only a flash diffuser,but also can be a gray card,fit most of flash. 1x Gray Card Flash Diffuser. - Expand size: 30x7cm. - There are three colors on another side--white/gray/black,It can help you to accomplish the white balance correction.