Features: Brand new and high quality Enhance your science experiments and photography with our Anti-Reflective Polarizing Filter! Made from high-quality PVA material, this filter provides excellent light control and reduces blue light exposure. Perfect for researchers, students, and photography enthusiasts looking to explore the fascinating world of light and color. Whether in a classroom or a studio, our filter is suitable for experiments, such as birefringence and light scattering, as well as enhancing photography settings. Experience the wonders of polarization and uncover the hidden secrets of light with our Anti-Reflective Polarizing Filter. Get ready to see the world in a whole new light! Specifications: Material: PVA Size: Approx. 10x10cm/3.93x3.93inch 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: 2 Pcs Polarizing Film