Gibraltar features solid colors and patterns with small particulates. Gibraltar is manufactured by Wilsonart. It is a ½” thick 100% acrylic based non porous surface that does not require sealing. Gibraltar is resistant to heat, mold, mildew and most stains. Even tough stains are easily buffed away. Inconspicuous, waterproof seams are ideal for custom designs and coordinate seamlessly with Wilsonart sinks and bowls. Comes with a residential 10 year installed, transferable warranty. Please take a moment to visit Gibraltar.