Color: As shown in the First image. Quantity and size : As shown in the title or description. Cpl Circular Polarizing Filter Features: A Polarizing Filter, Used For Both Photography, is Colourless and Does Not Affect Colour Balance, but Filters out Light with a Particular Direction of Polarisation This Reduces Oblique Reflections from Non-metallic Surfaces, Can Darken the Sky in Colour Photography (in Monochrome Photography Colour Filters Are More Effective), and Can Saturate the Image More by Eliminating Unwanted Reflections The Main Function of the Circular Polarizer Filter (CPL Filter) is Eliminating the Scattered Light in the Air,as Well As the Reflected Light of the Metal ,glasses and Liquid.It is Only Allow the Parallel Light Through the Lens Only,so That the Camera Can Get a Better Picture Such As Blue Sky,white Cloud,clean Water and So On When You Rotate the CPL Filter in Its Mount, the Effects Will Show Up Immediately Makes a Blue Sky Bluer Enhances Clouds Eliminates Reflections Optical Glass Black Aluminum Filter Ring