Strap from the company Techsuit, compatible with the Xiaomi Smart Band 8 / 8 NFC. It is made of silicone, a lightweight and flexible material that does not wear out from water and sweat.
Soft to the touch, it can be worn all day with comfort. Recommended for casual appearances and exercising.
It features a pin & tuck clasp, which is essentially a small pin that fastens into one of the holes of the band, without being too noticeable.