Selens 20pcs Speedlight Flash Color Gel Filter for Lighting. Key Features:

•  adds dramatic color to backgrounds or selected portions of a scene for artistic effect.
• Change the color balance of the image — Flash gels help to improve the color balance of the image.
• Includes 20 filters: 14 Color effects, 5 Color correction, 1 diffusion, 1 Seles gel-band attachment.