Black Velvet Jewelry Display Insert Case for Ring, Cuff Link Cufflinks, 22.4x11.2cm, 1 Case Feature: 4 line slots for rings This inner tray is design for our utility tray (DSBRCA0001), it offers endless possibilities to display your precious jewelry. 3 inner trays can fit our utility tray (DSBRCA0001) like the last two pictures shown. Color: Black Material: cardboard and black velvet.