【Compatible model】This screen protector is only suitable for Xiaomi Watch S1 Active. Please choose the appropriate size from our store according to your smartwatch. 【3D-Curves Edges Full Protection】This screen protector is made of high-quality TPU composite material. 3D-Curved Soft Edges provide maximum protection from side to side. Due to the characteristics of this material, it will not break when the edge is impacted like tempered glass. Compared with the traditional TPU material, due to its higher strength, it can better prevent the watch from being scratched. 【High Definition and Sensitivity】The ultimate definition retains the original screen brightness. Ultra-high definition and 99.9% transparency provide the best and natural viewing experience. The perfect touch and sliding accuracy function allow you to use your watch effectively. 【Easy to install】This screen protector is easy to install and remove. Before installation, please watch the steps in the manual. If there are small bubbles on the dial, don't worry. Just push them to the edge, and then press the edge with your thumb. All bubbles will disappear!