Wood Jewelry Display Case Box 36 Ring Velvet Insert New. Black plastic Display Tray. This is a new black faux leather display tray(s). This can be used with half size jeweler's pads and inserts. This will hold all of your loose stones, beads and coins. The case measures approximately 8 1/4" x 7 1/4" x 1" (210 x 184 x 25 mm). Ring Tray Insert. This is a new black foam ring display tray insert pad that holds 36 rings. The top of the foam pads are black felt. At shows these are great for showing your sample line display. Fantastic for travel by keeping the rings organized. It measures approximately 7 3/4" x 6 3/4" (197 x 170 mm).