2 New. White Foam Ring Display Tray Inserts For Jewelry Showcases & Countertops. This is a new set of 2 white foam ring display tray insert pads that hold 72 rings each. The top of the foam pads are white felt. At shows these are great for showing your sample line display. These trays are fantastic for travel by keeping the rings organized. Easily remove the tray from the showcase to allow customers to view your jewelry from the countertop. Each measures approximately 14 1/4" x 7 3/4" x 1/2" (36.1 cm x 19.6 cm x 12 mm).