Pelican Replacement Foam Set 4 pcs for iM3200-FOAM Storm Long CaseThe foam set is an easy do it yourself system for customizing the interior of your case. Simply lay your equipment on the foam, tape or chalk to mark the foam, and cut. Always allow at least one inch of foam between your equipment and the wall of the case. Features: (1) 2. 00" (5. 1 cm) Polyurethane Ether Convolute lid foam (1) 0. 50" (1. 3 cm) Polyurethane Ether Solid base foam (2) 1. 75" (4. 4 cm) Polyurethane Ether Solid base foam