An apparatus-for packaging a product in a respective preformed or ready-formed wrapper, preferably made of a suitable film, such as plastic film, and being in particular in the form of a bag, the ready-formed wrapper having a respective open end, allowing the product to be inserted into the wrapper and the product being in particular in the form of a paper product for personal or domestic use, preferably being in the form of a group of articles, especially being in the form of packets, in particular packets of face wipes, hand towels or handkerchiefs, or rolls, preferably of toilet paper or kitchen paper, or the like; the apparatus comprises means for feeding the preformed wrappers, means for feeding the product and means for inserting the product into the ready-formed wrapper through the open end and comprises means for clamping the preformed wrapper when the product is inserted into the preformed wrapper.