Based on this product's specifications, here are some alternatives and similar models
Band Apple Nike Sport Band MGCA4ZM/A Blue Aluminium Fluoroelastomer 46 mm
Summary description:
The Apple Nike Sport Band is designed for smartwatches, featuring a blue aluminum and fluoroelastomer construction. It fits wrist sizes from 160 to 210 mm and has a width of 46 mm. Ideal for sports and daily wear, it combines comfort and durability.