Material: Check the material used in the screen protector. High-quality materials like tempered glass are common for effective protection. Thickness: The product may be marketed as "ultra-thin," so you might find information about its thickness in micrometers or millimeters. Compatibility: Ensure that the screen protector is designed for your specific device model. Installation: Look for details on the installation process. Some screen protectors come with installation kits to make the process easier. Features: Check for any additional features such as anti-fingerprint coating, scratch resistance, or anti-glare properties. Package Contents: Verify what is included in the package, such as cleaning kits, dust removal stickers, or installation guides.