CocoGo Resin Aquariums D&eacute;cor Ornaments Retro Cave Sailing Boat For Fish Tank Cool aquarium ornament for your aquarium or mini fish tank The vividly and unique design create a natural environment for your aquatic life. Made of advanced of resin, there is no influence on the biological balance Measures (Approx.) : 5.7x1.9x 5.1 inch (14.5X5.5X12cm)(L x W x H )