Selens Polarizing Film 2 Pcs 7-Point 8 By 11-Point 8-Inch Adhesive Polarized Product Features ?Linear Polarizer?Polarizing Film is an optical film that allows a specific polarization of light waves to pass through and block other light. Widely used in photography industry, kinds of LCD screens, science projects and learning physics.Please note that in educational settings, the adhesive side of the film may, if exposed, potentially adhere to unintended surfaces, making demonstrations less convenient. To avoid this, it is advisable to retain the protective film whenever possible. ?Premium Material?Designed with high-quality PET materials, our linear polarized film can effectively enhance visual clarity and reduce glare on a variety of surfaces, offering exceptional durability and long-lasting performance. ?Adhesive design?The polarized film Both sides have protective film and one side is adhesive, which makes it very easy to apply to any surface without the need for additional tools or equipment. Allowing you to get the job done quickly and efficiently. ?Product parameter?Dimension: 7.8x11.8 inches/ 20x30cm, Thickness: 0.16mm, Package: 2 x Adhesive Polarizing film sheets. ?Tips for Use?After the polarizing filter is cleaned of dust, peel off the protective film and confirm the sticky side when in use. Adjust the angle, cut it into the corresponding shape, and stick it for use.Please note that the polarizing filter may not be suitable for surfaces with significant curvature, such as eyeglass lenses. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!