【High-Quality Stainless Steel Material】: Polishing metal surface and premium solid stainless steel watch strap fits for your mi band 6/5/4/3 perfectly. 【Compatible Models】: The metal watch band is for Mi Band 6, for Mi band 5, for mi band 4, for mi band 3. One strap for four models. 【Securely Clasp】: This band strap with a unique folding clasp with double locking locks your wristband reliably. Easy to wear and remove. 【Unique Metal Case Design】: Stylish metal case design dress-up protects the edge for mi band 6/5/4/3. With special installation accessories, you can easily install for mi band 6/5/4/3 without any tools. 【Easy & Quick Adjustment】: Suitable for wrist 6 - 8 inches. The size can be adjusted according to the circumstance of the individual wrist. Up to 6 links can be removed. Comes with an adjustment tool which easy to adjust the watch band length to wrist size.