Compatible Models: Designed for amazfit band 7. durable, luxurious and comfortable metal strap, which can be worn by men and women [without tracker], is suitable for any casual and formal occasions. Durable Strap Material: The replacement strap of amazfit band 7 is made of high-quality stainless steel and equipped with zinc alloy case. It is polished through finishing to make the table more distinctive. Durable, sweat resistant and never fade. Easy & Quick Adjustment: Suitable for wrist 6 - 8 inches. The size can be adjusted according to the circumstance of individual wrist. Comes with an adjustment tool which easy to adjust the watch band length to a comfortable wrist size. Comfortable To Wear: The surface of this amazfit band 7 wristband is smooth. It is designed according to the structure of human wrist and matched with humanized buckle, which can have higher comfort when wearing.