This product does NOT have anything to magnetized miniatures with (no metal sheet); it is only plastic. It is designed for building dioramas upon it or for basing and using with larger, unmagnetized vehicles Miniatures.
Custom Diorama Tray for use within the TABLEWAR® Modular Display and Storage Tray System for use with hobby miniatures. This tray is designed to for custom fit (inset within) the full-size Display Boards (it does not fit within the Mini Display Boards). This tray is comes as a single piece.
Dimensions for the Diorama Tray are 16.5cm x 41.9cm x 0.7cm (roughly 6.5” x 16.5” x .25in).