A resilient member having three round projections on each outer side for use in a packaging container for receiving and carrying articles to be protected against shock as may be experienced in loading, transporting, and storing. In ordinary application, a cardboard tray is supported at each corner with a resilient member with the projections of such member being in registration with openings in each corner of the tray to position the resilient members, hold the tray sides together, and to form a resilient cushion at each corner for supporting an article transported in the container. In the usual circumstance, there are two trays per container, one at the bottom of the article and one at the top.