Features: Australian Made Shower Base - backed by 20 years replacement warranty High Strength Polymarble Compound 3 Side Built In Lips 17mm Tile Flange Require Mortar Bed Support Integrated 50mm Male Thread Waste Maintenance and Cares: Clean the acrylic surface with mild liquid or gel detergent. Cream cleaner may be used to remove stubborn marks. Fine polish can be used for any accidental scratches. Warranty: 20 Years replacement warranty provided by its distributor Marbletrend, however does not include removal or installation costs.