The search results for "nafnaf.fr nouvelle collection product details" do not provide any relevant information about the product details of a new collection from NafNaf. However, I can provide information on the positive and negative aspects of NafNaf based on the search results:

Positive:

• Naf Naf Grill is a restaurant that serves authentic handmade recipes true to Middle Eastern upbringing.
• Naf Naf Grill offers Middle Eastern food that is made from scratch, including pitas, salads, and rice.
• NafNaf perfume for women has a fruity scent with top notes of Mango, Apple, and Bergamot.

Negative:

• There is no information on the product details of a new collection from NafNaf [no source].
• There is no negative information available in the search results.

Ingredients or materials:

• Naf Naf Grill provides a nutrition guide and an allergy guide on their website that lists the ingredients of their food items.
• There is no information on the ingredients or materials used in NafNaf perfume.