Replacement nylon elastic band compatible with HUAWEI BAND 8, 9, and 10. It has some elasticity and fits snugly. It's infinitely adjustable, so you can tighten it to the perfect fit. This is a so-called nylon band. It's silver? or gray? with stylish white edging on both sides. This item was sold on Amazon for around 900 yen. The watch body is not included (for installation reference). It is secured with a Velcro-like fastener. Anonymous shipping.