UbeCube drop-in trays are general purpose - made with heavy duty foam-filled polypropylene. Up to three trays will stack neatly inside the UC01 crate. Using alternate crate fin supports, the trays can be suspended inside the crate leaving tons of space below for larger items.
Dimensions:
exterior - 12.5" x 12.5" x 4"
interior - 11.25" x 11.25" x 3.75"