You may have purchased the PL0500NF and now realize the added benefit of protective foam, or you foam is warn and dirty and it"s time to replace it, whatever the reason custom fit your stowage of equipment for maximum protection with the three level Pick"N" Pluck foam with convoluted lid foam 7 piece set will convert or restore your ability to add ultimate protection for the equipment you stow in your Pelican PL0500 Case. Seven piece foam set consists of one "egg crate" foam upper section, five Pick "N" Pluck foam section and two1.0" blank bottom foam section. Fits Pelican Cases: 0500 Cube Case 0500NF Cube Case (No Foam)