Aggice Common Round Watch or Smart Watch Tempered Glass Screen Protector, High Definition 9H Hardness 0.3mm Thickness Waterproof, Dust proof and Shattproof (36mm) Tempered glass screen protector for Common Round Smartwatch Made of real tempered glass,03mm Circular arc edge, 2.5D Waterproof, dust proof and shattproof. Can be take good care of your watch screen. Nano tertiary oil coating surface treatment,quick-frozen and secure,waterproof and sweat.