Nillkin CamShield Pro Hybrid Case for Xiaomi Redmi K50 Ultra A unique-looking and extremely durable hybrid case from Nillkin will get your Xiaomi Redmi K50 Ultra in a fantastic style and proper protection. Its textured back and flexible non-slip TPU sides provide a firm grip, and a camera sliding lid protects the camera of your Xiaomi Redmi K50 Ultra against scratches and dirt.