General:
* De bons souvenirs: This is the most straightforward translation, meaning "good memories".
* Des souvenirs précieux: This translates to "precious memories" and implies a greater emotional value.
More specific:
* Des souvenirs tendres: This means "tender memories" and suggests a warm and affectionate feeling.
* Des souvenirs heureux: This translates to "happy memories" and emphasizes the positive aspect of the memories.
* Des souvenirs inoubliables: This translates to "unforgettable memories" and highlights the enduring nature of the memories.
Ultimately, the best translation will depend on the specific context and the emotions you want to convey.