Door Sign for Wall Mount with Stainless Steel Standoffs, 6 x 3-Inch, Black And Clear Acrylic Panels Affordable do-it-yourself customized sign solution. Black acrylic back panel creates an interesting two-tone design. Stainless steel standoff screws hold frame 5/8-inches off the wall for a three-dimensional effect. Includes a total of 3 frosted film sheets sized 6 x 3-inch. Displays2go SKU#: DSIGN63BK