Pelican 1651 4-Piece Foam Set Foam is die-cut into one inch squares An easy do-it-yourself system for customizing the interior of you Pelican case Contents stay in place and get extra protection at the same time. Layers of foam are pre-scored in tiny cubes An easy do-it-yourself system for customizing the interior of you Pelican case Contents stay in place and get extra protection at the same time.