Product Description 5 & 6 new 2018 Features: Made of premium optical glass with professional coatings and premium PC, it can filter strong light evenly to weaken light without affecting color. Help you avoid overexposure by reducing the volume of light entering through the lens to reproduce true color contrast. The filter has a black paint on the edge of the lens, which can prevent the reflection from entering to improve the image quality. Ultra thin frame is useful for avoiding corner shadow as it greatly reduces the distance between the lens and the filter, ideal for taking professional photos. Lightweight and portable, easy to carry and store. 3 pieces per pack, good accessory for photography lovers, especially good for outdoor use. Specification: Type: ND Filter Material: PC + Optical Glass Quantity: 3pcs Color: Shown as picture Suitable for Gopro Hero 5 & 6 Size: Approx. 40x40.5x8mm / 1.57x1.59x0.31inch Weight: Approx. 41g Package Included: 1 x ND4 Filter 1 x ND8 Filter 1 x ND16 Filter