Based on this product's specifications, here are some alternatives and similar models
Wall plate / switch cover berker 5310148994 — 80.5×294 mm, pack of 2
Summary description:
berker wall plate / switch cover model 5310148994, dimensions 80.5 × 294 mm, supplied as a pack of 2. Designed to cover electrical switch modules and mounting frames, it provides a flush finish for wall-mounted controls. Suitable for residential and light commercial installations where a precise fit and clean appearance are required.