This deluxe First Alert locking steel box is a multipurpose lockbox, which can be used to store cash or other valuables. A convenient carrying handle offers portability. It is ideal for keeping large amounts of cash and important documents safe from theft. Door Thickness (mm): 3, Dimensions W x D x H (in.): 4 x 12 11/16 x 8 1/2, Product Style: Security and cash boxes, Lock Type: Key, Mount Type: Portable, Color: Black, Keys Included (qty.): 2, Material: Steel