BOOT TRAY - This tray can be used both indoors and outside. Set your wet or muddy shoes and boots on this set of durable trays to help keep your home protected from liquids, dirt, sand, and scratches. The ridges inside the tray lift boots up to drain moisture away so that they can dry faster. MULTI-PURPOSE – They are also waterproof pet dog cat bowl mats placement, feeding Mat etc. RAISED EDGE - All-weather trays are molded with 1.25” raised edges which helps contain messes from everyday dirt, pet bowls, cat litter boxes, potted plants, or paint cans. EXTRA LARGE SIZE- Materials: 100% Recycled Polypropylene. Dimensions: 40” L x 20” W x 1.25” H. Color: Grey.