This item is color filter board, which is a good tool for teaching. Made of material for long time using. It is lightweight and small, so it’s convenient to storage. These gel filters can be combined to create different effects, such as, cool effects, color correcting. Features - ColorAssorted Color - Material: Plastic. - Size: 15.00X6.80X0.30cm/5.89X2.67X0.12in - This item is color filter board, which is a good tool for teaching. - Made of high light transmission: these film plastic sheets are made of high light transmission material with lightweight, steady color and low loss. - It is lightweight and small, so it’s convenient to storage. - Made of material for long time using. - Combined to use: these gel filters can be combined to create different effects, such as, cool effects, color correcting. - Warm Tip: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 6 x Color Filter Board