Our UnitPak® Storage Sustem boxes are all 11-1/4 inches square and 1-1/2 inch deep. We use high-grade electronics foam that is specially selected for longevity and is gentle on your trains. It will not interact with apint or printing either. Our Twin Tub coal gondolas and RoadRailer trailers come in 10-packs which use the UnitPak® box

PassengerPak® Passenger Car Storage Box #990750

This version of our popular UnitPak® foam lined box is specially designed to accommodate longer N scale cars. Just tear out the perforated sections of foam to the length you need. There is even a removable strip across the top of each slot for high level cars. The two vertical slots are perforated for virtually any length of car or locomotive. The DeLuxe PassengerPak® is perfect for passenger trains and auto parts box cars. Holds up to 9 cars

We use high quality electronics grade, non-degradable foam in our storage boxes. The inside is about 11 inches square. The DeLuxe UnitPak® boxes fit in standard office file boxes or milk crates for easy toting or storage. They even have spaces on the outside to list their contents.