The tray has screw retention so that the feet from the leg set (sold separately) can be screwed directly into the base of the tray All trays have a flat underside, making installation and levelling even easier The trays are up to 50% lighter than conventional stone resin trays, making them safer for handling and fitting All trays are acrylic capped and constructed from a polyurethane resin mixed with filler including volcanic ash Made of the patented 'Pearlstone Matrix' making the range one of the strongest and lightest available At just 40-45mm high, trays are amongst the sleekest on the market Hudson Reed Finish: White Gloss