Pelican 1651 4pc Replacement Foam Set Compatible with 1650 Protector CaseThe foam set is an easy do it yourself system for customizing the interior of your case. Layers of foam are pre scored in tiny cubes. Simply lay your equipment on the foam, tape or chalk to mark the foam, and pluck away. Always allow at least one inch of foam between your equipment and the wall of the case. Foam kit includes: