About this item [LARGE AREA] - You can also trim it to your own size. [EASY TO USE] - It's so thin that you can stick it on the outside or inside of your phone case. [COMPATIBILITY] - Suitable for a wide range of electronic products and household appliances. [REUSABLE] - If not damaged, it can be reused. This product measures 4.2 x 2.4 x 0.01 inches.