The seas can be rough, especially in your aquarium. The Penn Plax Striped Sail Shipwreck - Large is a great way to add superior character to any underwater setting. This fish-safe, non-toxic piece of décor is crafted of resin and great for freshwater or saltwater aquariums. * Made of high-quality resin * Full color with vivid detail * Designed for both fresh and salt water aquariums * Adds a colorful, exciting underwater ship wreck theme * Dimensions: 26.5Lx 9W x 19.75H in.