A container recyclable in a paper stream recycling process, comprising a cardboard-based socket element and a paper-based receptacle element partially fitted therein, wherein: - the socket element is configured to be connected to a bulk dispensing device and comprises: o an essentially square or rectangular base area, o four substantially square or rectangular wall members, each located at each one of the four edges of the base area and extending upwardly therefrom, and being connected to each other to form, with the base area, a rigid parallelepipedal socket opened at its upper side, o a connection element (7, 8) that can be connected to the bulk dispensing device, said connection element (7, 8) comprising a dispensing opening with an area of 50-350 cm 2, preferably of 60-90 cm 2, said dispensing opening being closed by a frangible membrane made of a paper having a grammage comprised between 30 g/m 2 and 150 g/m 2, o said socket element being rigid and made of cardboard having a grammage comprised between 150 g/m 2 and 800 g/m 2, - the receptacle element comprises a closable opening for filling said receptacle element with a product to be dispensed by the bulk dispensing device, and comprises lateral walls and a bottom wall defining a containment volume in the range of 5 to 20 litres, said receptacle element being flexible and having lateral walls made of a paper having a grammage higher than that of the frangible membrane and comprised between 50 g/m 2 and 350 g/m 2, - the receptacle element is connected to the socket element in a way that a product can flow from the receptacle element through the connection element (7, 8) of said socket element, so that it can be dispensed by the dispensing device, and - the ratio between the total weight of the recyclable container and the volume of the receptacle element is less than 15 g/l, preferably less than 8 g/l. - the socket element is configured to be connected to a bulk dispensing device and comprises: o an essentially square or rectangular base area, o four substantially square or rectangular wall members, each located at each one of the four edges of the base area and extending upwardly therefrom, and being connected to each other to form, with the base area, a rigid parallelepipedal socket opened at its upper side, o a connection element (7, 8) that can be connected to the bulk dispensing device, said connection element (7, 8) comprising a dispensing opening with an area of 50-350 cm 2, preferably of 60-90 cm 2, said dispensing opening being closed by a frangible membrane made of a paper having a grammage comprised between 30 g/m 2 and 150 g/m 2, o said socket element being rigid and made of cardboard having a grammage comprised between 150 g/m 2 and 800 g/m 2, o an essentially square or rectangular base area, o four substantially square or rectangular wall members, each located at each one of the four edges of the base area and extending upwardly therefrom, and being connected to each other to form, with the base area, a rigid parallelepipedal socket opened at its upper side, o a connection element (7, 8) that can be connected to the bulk dispensing device, said connection element (7, 8) comprising a dispensing opening with an area of 50-350 cm 2, preferably of 60-90 cm 2, said dispensing opening being closed by a frangible membrane made of a paper having a grammage comprised between 30 g/m 2 and 150 g/m 2, o said socket element being rigid and made of cardboard having a grammage comprised between 150 g/m 2 and 800 g/m 2, - the receptacle element comprises a closable opening for filling said receptacle element with a product to be dispensed by the bulk dispensing device, and comprises lateral walls and a bottom wall defining a containment volume in the range of 5 to 20 litres, said receptacle element being flexible and having lateral walls made of a paper having a grammage higher than that of the frangible membrane and comprised between 50 g/m 2 and 350 g/m 2, - the receptacle element is connected to the socket element in a way that a product can flow from the receptacle element through the connection element (7, 8) of said socket element, so that it can be dispensed by the dispensing device, and - the ratio between the total weight of the recyclable container and the volume of the receptacle element is less than 15 g/l, preferably less than 8 g/l.