Based on this product's specifications, here are some alternatives and similar models
Tempered 3D Camera Glass for iPhone 16 Pro Max 6.9" — TelForceOne
Summary description:
Tempered 3D camera glass by TelForceOne designed for the iPhone 16 Pro Max 6.9" camera module. Provides a hard protective layer over the camera lenses to reduce scratches, chips and minor impacts while preserving image clarity. Precision-cut to fit the device camera layout, suitable for protecting rear camera assembly during everyday use and travel.