This phone case features a distinctive black braided or woven texture and is available for various smartphone models. The specific case in your image is a "Fashion Case" often described as a soft, leather-textured TPU cover.
Based on visual matches, this style of case is commonly listed for the following devices:
Samsung Galaxy S20 series, including the S20 Ultra.
Itel City 100.
Infinix models, such as the Hot 60 Pro Plus and Note 60 Pro.
Oppo A54