Features: This gels filter kit is used for changing lighting effect and color correction, such as add color or subtract color, color mixing, color transmission, absorb and filter the different wavelengths. Lightweight and highly transparent filters offer steady color temperature with low loss. Gel filters can be easily attached to a great range of shoe mount flashes. Stretchy and grippy Rogue Gel Bands attach quickly & securely to almost all flash sizes. Used as accent lights or to add dramatic color to backgrounds or selected portions of a scene for artistic effect. Package Includes: 20pcs/Set Fliters Specifications: Size: 6x15cm/2.36x5.91inches note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.