Match your choice of Royal Baths whirlpools, baths or shower bases with a lavatory bowl or bar sink. The patented layered construction of Royalmarbyl^TM or Royalmarbyl^TM Onyx will not develop thermal cracking like cultured marble products. Tougher than porcelain, durable, non-porous high gloss Acrylic is easy to clean, and resistant to stains from grease, oils, hair dyes, or cosmetics. All have the 10 year features.