The quality and design of these trays is wonderful. The tarnish-free surfaces, however, cause severe problems for costume jewelry having only a thin layer of silver over glass beads. Over a few months time, the silver is completely removed, and you're left with clear glass beads. I've ruined dozens of lovely necklaces and earrings by storing this hand-made jewelry in these trays. Identical items stored in trays NOT having the tarnish-free lining retained their silver plating. Most jewelry today is already treated to prevent tarnishing; thus these tarnish-free surfaces seem out-dated and unneeded (or at the very least, such a surface should be optional).