Contemporary styling with side opening door for "No lift" unloading. * Holds up to 24 trays. * Accommodates up to 15" x 20" (38.1 cm x 50.8 cm) trays. * Allows 4-way tray stacking. * Provides 4-way hand holds. * Tray top locks in during use and removes easily for cleaning. * Designed for indoor or outdoor use. * 3963 is Factory Mutual (FM) and California State Fire Marshal (CSFM) approved when used with 3958 Rigid Liner.