The EmoursTM Aquarium Sinkable Driftwood Fish Tank Decoration is a great way to add realism to your aquarium. Made of high quality driftwood, this sinkable decoration is durable and easy to clean. The unique shapes of the wood add to the aesthetic value of the tank, while the size of the wood is 6 inches long by 4 inches wide. Each piece of the wood is boiled for at least one hour before being submerged in a bucket of water.