1. Designed specifically for DJI Flip, it fits the lens tightly and has no effect on gimbal calibration. 2. Reduces light reflection from the lens, is scratch-resistant, waterproof and oil-resistant, and has better image quality. 3. Made of high-definition optical glass, it has no effect on image quality, forms a low refractive , and restores wonderful moments. 4. Only 0.3g, small and light, no burden on travel. 5. The aluminum frame is engraved with a matte black finish, strong corrosion resistance, and is not easily affected by factors such as humidity and oxidation. Main material: aluminum alloy (frame) and optical glass Attribute: black Net weight: 0.3g (single piece) or 1.5g (4-piece set) or 2.2g (6-piece set) Gross weight: 21.3g (single piece) or 22.8g (4-piece set or 6-piece set) Product size: 1.88x1.59x0.18cm Packaging size: 6.5x6.5x2cm Single piece: filterx1 glasses clothx1 Four-piece set: filterx4 glasses clothx1 Six-piece set: filterx6 glasses clothx1 Packing method: boxed Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.