Bubble Club SofaBubble Club is the industrial sofa in which rotational moulding technology has enabled Kartell to mass produce. A large two seater sofa, characterised by the soft line of the armrests which contrast with the more rational line of the backrest; an essential silhouette, reminiscent of grandma's sofa. Bubble Club joins the armchair and occasional table, made in the same finishes and colours, to become a real family, an "industrial lounge" for furnishing