Vivo Y21 The 9H hardness tempered glass can effectively protect your device from scratch, friction, and other daily harmful factors. HD CLEAR SCREEN PROTECTOR FEATURES: Anti-scratch and daily drop Anti fingerprints and oil 9H hardness tempered glass provide perfect protection 99.99% transparency gives you a natural viewing experience Precise laser cut to fit your device perfectly Bubble free installation, Round-edged screen protector, for case-friendly HIGH RESPONSE: The thickness screen protector keeps original response to sensitivity, which ensures quick app launch, smooth games, and video playing. WHAT INCLUDES IN OPENTECH BOX: 1 - Tempered Glass Screen Protector