Features: Brand new and high quality Optical glass, precisions grinding and polishing, visible light transmission rate of 96%, high-definition imaging. Adopt double-sided multilayer nanocoating technology to give the lens high-quality waterproof, oil-proof and scratch-proof performances. Made of plastic, which has strong corrosion resistances and is not easy to fade. Clip-on the installation base, stable, no-glues, no need to disassemble and replace the filter, which is convenient and quick. Can elimanate reflection, increase saturation, enhances contrast, making the pictures more three-dimensional, preventing overexposure. Specifications: Material: Plastic Type:ND64PL/ND32PL/ND16PL/ND8PL/CPL/UV/UV+CPL+ND32/ND8PL+ND16PL+ND32L+ND64PL/ND8PL+ND16PL+ND32L+ND64PL+UV+CPL Applicable models: For Mini 4 Pro Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 4 Package Optional: Package 1 Include: 3x Lens Filters Package 2 Include: 4x Lens Filters Package 3 Include: 6x Lens Filter Package 4 Include: 1x Lens Filter