Clear protective coating for NativeStone concrete sinks, bathtubs and countertops manufactured by Native Trails Highly stain resistant - protects NativeStone concrete from discoloration and wear Food safe and non-toxic; approved for use on kitchen and prep sinks UV protection for use on NativeStone concrete products installed outdoors Easily applied with paint tray and foam brush (not included) NativeStone Shield is a revolutionary two-part sealer that penetrates NativeStone concrete on a molecular level to create a protective, yet integrated barrier against stains and scratching. While all NativeStone concrete products come pre-sealed, this sealer is now available for application on heavily used NativeStone concrete sinks or bathtubs to ensure years of protection. 4 oz. size is appropriate for use on sinks and smaller items; 8 oz. size is appropriate for use on bathtubs and larger items. FOR USE ON NATIVE TRAILS NATIVESTONE CONCRETE ONLY.