OVERVIEW: The PureGear HD Tempered Glass Screen Protector for Samsung Galaxy A21 Smartphones. Clear glass design. Perfect Allignment Tray Included. Industry Leading Touch + Swipe Precision. Scratch Resistant. FEATURES: High-definition tempered glass. Industry leading touch + swipe precision. Extremely durable and scratch resistant. Bubble-free – engineered to adhere to your phone screen seamlessly. Case-friendly fit.