New replacement band for Xiaomi Mi Band 3/Mi Band 4 Smart Watch ONLY. <br/> Fashion design, both lightweight and durable. And a row of pressing die forming air holes, not only further reduce the weight, but also improve the permeability.Silica gel materials, environmental protection and non-toxic, feel more comfortable, perfect for sports wear. <br/> Made of high-quality,environmental,waterproof,durable and healthy material. <br/> Length: 170MM-220MM,The size can be adjusted according to the circumstance of individual wrist., the band will fit Adult / teenager/children. <br/> SATISFACTION GUARANTEE:1-year quality guarantee is provided. If you have any questions, please contact us without hesitation, we will reply you asap. <br/><br/><br/>Package: <br/>2x Replacement Band for Xiaomi Mi Band 3<br/>