Vance Trimmable Under Sink Tray for 36 in. Base Cabinet, 4UST36W Vance sink base liner tray protects cabinets from spills and leaky plumbing or bottles Made from durable, easy-to-clean Polystyrene Removable for easy access and cleaning Includes overflow spout to warn of leaks Easily trimmed to fit most standard cabinets 36" can be trimmed down to 33.25" x 22.25"