SAFE 5265 Mineral Display Presentation Stands Clear Acrylic Glass Riser Step Display – 3 Steps for Rocks, Minerals, Stones , Opals , Fossils , Gems — Mineral Display Stands – Crystal clear acrylic glass with three levels to display your collection. Add an easel or place a light or UV lamp under the riser to illuminate or show fluorescence. Riser display size: 11-13/16″ x 8-3/8″ x 7″H (300 x 220 x 180 mm) Each step size: 11-13/16″ x 2-3/4″ deep (300 x 70mm)