Function: Perfect replace your old, damaged or lost watch band for Xiaomi Mi Band 2 model smart bracelet band. Suitable for wrist circumference Size: 15-21cm/ 5.91-8.27inches. Advantage: With magnetism design watches shell, easy to install without any screws or block button, convenient for your use and operation. Durable: Made of 304 stainless steel, zinc alloy and first layer cowhide, smooth, lightweight, breathable and daily life waterproof features. Safe: Stable buckle, you can make variable adjustments to the length depending on your activity, such as for running, camping, hiking, riding and fitness, etc. Upscale: Simple but classic looking with slim body, adds your charming, make you distinctive and great gift idea for you and your family, friends and lover.