1Fine Workmanship: Adopts double sided multi layer nano coating technology, that lens are waterproof, oil proof, dirt proof and scratch proof. 2Professionally Made: Made of optical glass with high definition grinding processing for high light transmittance, coating light reduction process, almost has no color offset. 3Easy to Carry: Small size, easy to carry, also come with storage box, can be put in the pocket, backpack for carrying around, you can use the filters at anywhere. 4CPL Filter: Generally used in landscape photography, to eliminate unnecessary polarized light, and the reflect light of non metallic surfaces, increase color concentration, making the whole picture more harmonious, comfortable. 5ND Filter: Able to prevent overexposure, resist scattered light, and reduce shutter speed, increasing color saturation to make the picture more gorgeous, achieving advanced effect, and bringing more possibilities for photography creation. The number after ND represents the dimming ability.1 x CPL Filter 1 x ND8 Filter 1 x ND16 Filter 1 x Storage Case