3 New Acrylic Display Risers For Jewelry. Showcases & Countertops This is new set of 3 acrylic risers. These risers add sophistication and height to displays. Drape bracelets and chains over the gentle curves or place boxed jewelry atop nested risers to highlight special designs or sales.You receive: One acrylic riser that measures approximately 5 1/4" x 4" x 2 1/2" (133 x 102 x 63 mm). One acrylic riser that measures approximately 6 1/2" x 4" x 3 1/2" (165 x 102 x 90 mm). One acrylic riser that measures approximately 7 1/4" x 4" x 4 1/2" (184 x 102 x 114 mm).