Ocean Aquaria artificial corals are of the finest and most detailed corals on the market. They are made of a highly durable and nearly unbreakable flexible UV resistant Polyurethane Rubber. The corals can be scrubbed with a vegetable brush for cleaning. Best of all, they’re made in the USA with similar materials used in theme parks, zoos, and public aquariums. We also manufacture custom coral reef inserts, overflow box covers, and any size coral inserts. We have the best and most talented artisans in the industry. See for yourself, you be the judge! Let Ocean Aquaria build your next custom coral reef insert. You may email us at Oceanaquaria@gmail.com or give us a call at 1-888-637-6598 if you would like additional information for an artificial coral insert or CLICK HERE FOR A CUSTOM CORAL INSERT QUOTE.