5 New Acrylic Display Risers For. Jewelry Showcases & Countertops This is new a set of 5 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 salesYou receive: One acrylic riser that measures approximately 1" (25 mm) sq. One acrylic riser that measures approximately 2" (50 mm) sq. One acrylic riser that measures approximately 3" (76 mm) sq. One acrylic riser that measures approximately 4" (101 mm) sq. One acrylic riser that measures approximately 5" (127 mm) sq.