Acrylic Rock Stands Home » Retail Store Fixtures » Acrylic Display » Acrylic Specialty Displays » Acrylic Rock & Shell Stands 1 of 5Single and Multiple Compartment Acrylic Tray Display These acrylic trays are available with single, 2, 3, 4, or 5 compartments. All trays are 16"w x 4"d x 3"h, and are available for slatwall or gridwall display. Price: $13.13