What are the strap materials of the Xiaomi Smart Band 9?

The Xiaomi Smart Band 9 currently has 11 types of straps. The standard strap for the Xiaomi Smart Band 9 is made of antibacterial TPU material. It is available in four colors: pink, blue, silver and black. Additionally, there are seven retail straps available for purchase. From left to right in the following images are orange woven strap, irregular metal strap, brown magnetic strap, chain metal strap, hollow strap, genuine leather strap and double-wrap leather strap.