Add a whole new dimension to your pond with a floating island that's home to plants and provides habitat to all sorts of aquatic creatures. These self-contained pond planters hold a growing medium in the middle, and have special built-in wicking channels to keep soil properly moist. Plant roots grow down into the water, where they'll absorb excess nutrients to help keep your pond clearer and cleaner. An innovative pond accent Provides food and shade for fish Frogs and turtles will flock to the islands, too Anchor in place or allow to float freely Made of 100% recycled polyester Small is 21" W x 30" L Medium is 31" W x 40" L Both sizes are approximately 5" thick Includes complete instructions, soil medium and plant suggestions