The biOrb 46133.0 Sea Shell Set is a great way to add some style to your aquarium set up. These shells are made of high-quality ceramic, which is easy to clean and durable. They’re also compatible with both freshwater and saltwater environments. The set includes three white shells that are each 1.1 inches wide, 6.25 inches long, and 13.75 inches deep. They have a brand name of “biOrb”, and the target species is fish.