The case is made of high quality soft and micro-elastic TPU material specialized for OnePlus Watch 2, precise opening does not affect the accuracy of the touch screen. Sweatproof, waterproof, soft and lightweight, it can well protect the smartwatch from being scratched or broken by hard objects and provide a wonderful wearing experience. Screen Protective Film with TPU Ultra Clear 2.5D Curved Edge Design, Light Transmission: 98%, Anti-Reflection up to 98%, High Definition and Clarity, Touch Sensitivity, Oleophobic Layer Technology, Smooth Surface: 98%, High Definition and Clarity, Touch Sensitivity, Oleophobic Layer Technology, Smooth Surface. (Due to the curved edges of the OnePlus Watch 2 surface, the glass material cannot fully cover the edges and only TPU material can be used to fully cover the edges)