Abstract: Disclosed is a flat type pulp-molded cushioning material on which a number of raised portions are provided to serve as shock absorbers and a plurality of notches are provided at predetermined positions to allow said flat cushioning material to be folded along said notches to form a box-like means with a desired configuration corresponding to the shape of an article to be packed therein. The erected portions of the flat material can be suitably limited in place by the side walls of an outer packing container, which together with the fitly contact of the cushioning material with the packed article provide enhanced effect of cushioning. Moreover, the flat cushioning material can be molded more easily and can be more conveniently stored and transported at lower cost.