MDF (medium density fiberboard) is used as the core material, covered with red microfiber or white leather (suede/velvet/microfiber). Better set off the jewelry.
There are other color materials available for customization.
Size:50*50*23 (L*W*H) mm.
50*50*43 (L*W*H) mm.
50*50*65 (L*W*H) mm.
50*50*85 (L*W*H) mm.
Custom sizing available.