Customize your case with Pelican’s Replacement foam set. Simply lay your equipment on the foam and mark its outline with a marker, chalk or tape. After that, you can cut away the foam for a perfect fit. Note: it is recommended that you leave at least one inch of foam between your equipment and the wall of the case. This kit includes:(1) 1.55" (3.9 cm) Polyurethane Solid lid foam(2) 3.10" (7.9 cm) Polyurethane Solid base foam(1) 0.63" (1.6 cm) Polyurethane Solid base foam Pelican Vault 4pc Foam Set for V550 VCV550-4000-000