Based on this product's specifications, here are some alternatives and similar models
Band Apple MXLX3ZM/A Grey Fluoroelastomer 140-190 mm
Summary description:
The Apple MXLX3ZM/A band is made from durable grey fluoroelastomer, designed for smartwatches. It fits wrist sizes ranging from 140 to 190 mm, providing a comfortable and secure fit. Ideal for daily wear, it combines style and functionality.