A large lightweight 3 D shaped molded pulp material for example a container comprising a large pulp molded outer shell lined with a reinforcing core spacer material conforming to and adhering to said shell and an inner shell made of molded pulp or a flexible paper based material. A method for manufacturing such a lightweight material involves pressing slurried pulp between a first male mold half 5 covered with elastomeric material 6 and a second female mold half 3 to form the molded pulp outer shell 17 and gluing the reinforcing core spacer material 18 to the interior of said molded pulp shell 17 and gluing the inner shell to said spacer material.
