If my understanding of this Google-translated French page[0] is correct, it costs 1€, and there is a minimum order of 50€. I may be mistaken.

If so, that can be a big difference, especially to the crowd that puts groceries in their personal bags, as depicted in both ads.

[0] https://www.monoprix.fr/livraison-a-domicile?menuName=servic...