Based on this product's specifications, here are some alternatives and similar models
Protective matte TPU cover for Xiaomi 15T Pro by Obal:Me — black
Summary description:
Obal:Me matte TPU cover designed for Xiaomi 15T Pro. Soft thermoplastic polyurethane material provides basic protection against scratches, minor drops and everyday wear while preserving access to ports, buttons and camera. Slim, lightweight shell in black offers a non-slip matte finish and easy installation for daily use and pocket storage.