This screen guard is designed for smartwatches, offering multi-layered protection for your device's screen. It features a high transmission TPU layer for clarity, sandwiched between removable front and back protection films. The product includes a comprehensive installation guide with a 4-step process, ensuring a bubble-free application. For optimal results, it is crucial to clean the screen thoroughly before application. The package comes with wet and dry wipes to facilitate proper screen cleaning. The screen protector is composed of a high-quality 5-layer structure, including a black side (Layer 1), a blue upper side (Layer 2), and additional layers (Layer 4, Layer 5) with an adhesive side for secure placement. It is advisable to seek expert assistance if you are unfamiliar with the installation process.