Features: High quality aviation aluminum frame. Inner frame is designed as double deck which has double material,the design is outer hard and inner soft to prevent scratching the original lens. Anodizing technology. Uses the professional processing craft. Set aside water hole to prevent bubbles coming out. Portable design by reserving a sling hole. Description: The filters can change the color of the photos and videos Graduated Grey: Keep perfect exposure of sky and ground at the same time, perfect for shooting cloudy sky, sunrise and sunset. Graduated Blue: Remain blue color of the sky and strengthen sky cloud effect while not influence ground tone. Graduated Orange: Maintain full colors and more shocking view of the sunset. Graduated Red: Make red scenery richer in layer, a necessary for shooting maple leaf, morning evening glow. Specifications: Brand: PGYTECH Model: P-G5-114 Frame Material: Aviation aluminum alloy; TPU & PC Lens Material: Optical glass; multi-layer coating Colors: grey, blue, orange, red Product Size: 40*40*9mm Frame: Ultra-thin frame Compatible Model: for Gopro Hero 5 Package Included: 4 x Lens Filter for Gopro Hero 5 1 x Zipper Box 1 x Rope 1 x Clean Cloth