A screen protector is a thin layer of material designed to shield the display of electronic devices like smartphones, tablets, and laptops. It helps prevent scratches, cracks, and other damage that can occur from everyday use. Screen protectors come in various types, including tempered glass and plastic film, each offering different levels of protection and clarity. Applying a screen protector can enhance the longevity of your device's screen while maintaining its touch sensitivity. Many protectors also feature anti-glare or anti-fingerprint properties, making it easier to use your device in different lighting conditions. Overall, a screen protector is a practical investment for protecting your device.