Serene Valley Radius Corner Sink Bottom Strainer Grid 29-1/2"x 15-9/16" NDG3016C

Serene Valley Sink Bottom Grid 29-1/2" X 15-9/16", Centered Drain with Corner Radius 3/8", Sink Protector NDG3016C. DESIGNED TO SIT AT THE BOTTOM OF YOUR KITCHEN SINK. Sink bottom length and width should be about 1/2" more than the grid's length and width to give room for the grid easily in and out of your sink.

eBay