The multi-purpose QUATRUS R15 ERGON sink rails are made of stainless steel and capped in hard plastic to provide a secure point of contact on the interior ledge of the sink. Hang and dry cloths and sponges, suspend pots and colanders over the sink, or use them on your countertop as a trivet for hot pots. Neatly stack to one side and save space when not in use. Save highly-coveted counter space and organize your kitchen workspace in style by adding accessories to your kitchen workspace.