This floating basket bag is ideal for ponds that do not have adequete plant shelves and makes planting and maintenance easy. Made of finely-woven fabric, they Provide excellent soil containment and protect plants from fish. The buoyant styrofoam float ensures the baskets stay at the surface. They also provide additional shade and protection for fish. 3 bags per pack. Suitable for Laguna PT974 medium size floating plant basket, 13-3/4-inch diameter. Measures 2-inch length by 9-3/5-inch height by 6-2/5-inch width.