Pad and assembly of a holder and such a pad

A pad of the optionally flexible, disc-shaped/flat type filled with a product to be extracted and/or a product to be dissolved, provided with an optionally flexible bottom sheet and an optionally flexible top sheet manufactured from, the top sheet and the bottom sheet being interconnected at their longitudinal edges so that a covering with a circumferential sealing seam is formed, with the product situated between the top sheet and the bottom sheet, the bottom sheet and the top sheet each forming a filter which is at least virtually impermeable to the product and which is at least permeable to water, while an area of the covering is designed to be at least virtually impermeable to water, the area comprising, preferably, at least one annular sub-area covering at least a part of the sealing seam, and that the area extends outside the sealing seam at predetermined positions.