Item Type: 37mm CPL Filter with Dual Hole Clip for Mobile Phone Photography Product Material: Plastic, CPL Polarizer Product Size: Approx. 37mm / 1.5in Large Diameter Color: As Shown in Pictures Weight: Approx. 100g / 3.5oz Package List: 1 x 37mm Circular Polarizer Filter 1 x Dual Hole Clip Anti Glare: 37mm circular polarizer filter reduces light distortion and provides excellent anti-glare performance. Coating Technology: Coating helps reduce lens flare and ghosting effects. Ultra Thin Edge Profile: Designed to avoid vignetting with wide-angle lenses while allowing smooth rotation. Adjustable Polarization: Allows control over the level of polarization for enhanced image quality. Sturdy and Durable: Constructed for durability and long-term use.