Abstract: A process for packaging a product on a receptacle includes advancing a film tubing on a conveyor, the tubing having therein a product on a receptacle, the film having a forward end which is sealed; sending a gaseous mixture into the tubing; blowing heated air onto an outer surface of the forward sealed end region of the tubing to pre-shrink this end of the tubing and to expel gas rearwardly from the forward region; applying a vacuum inside the tubing from a rearward portion of the tubing of film, to facilitate the welding of the tubing of film at the rear portion of the container; heat sealing the tubing in an area rearward of the receptacle, so that the receptacle having the product thereon is surrounded by the film; separating the sealed tubing film portion from a remainder of the tubing film; and heat-shrinking the sealed portion of the film. The process of the invention solves a problem in the packaging of products of the "bloody offals type," i.e.