The PolarPro DJI Spark Prime Filter 3-Pack is constructed with high-quality materials that enable you to capture the best image quality possible. Included in the Prime 3-Pack are a fixed Polarizer, ND8, and ND16 filter. Each filter is constructed with our HD glass for razor sharp clarity. Crafted with aircraft grade aluminum, the filter frames are designed to be lightweight yet extremely durable. PolarPro's DJI Spark Prime 3-Pack is perfect for pilots who wish to enhance their image quality and capture smooth, cinematic content.