The Pond Boss 10 in. Square Plant Basket is the premier housing for most aquatic plants. Besides their beauty, aquatic plants help keep your pond or water feature in optimal condition by maintaining a biological balance in the water and providing shelter and shade for fish. The strong black mesh basket is designed for the water garden environment and is strong and durable enough to protect plants from fish. The baskets help keep plants and roots in control so your water garden can stay looking beautiful. Be sure to add stones to the bottom to weigh it down.