Rev-A-Shelf Vanity Base Drip Tray 34-1/2" X 20-1/4" Trimmable: Depth (min to max) 18-1/2 to 20-1/4" Minimum Cabinet Opening (Frameless): Depth 20-3/4" Color: Almond Synthetic polymer is stiff and may be difficult to install if countertops and sinks are in