Designed for holding wet or muddy boots and shoes in the bottom of lockers.
The dimensions for this tray are 16-1/2 x 20 square inches(this is the flat area down in the bottom of the tray). There is no flange on this tray.
This tray is available with a textured hair cell finish on the outside of the tray (helps hide fingerprints and scuffs) or nice smooth finish. The trays are smooth on the inside.