High simulation stone texture, the floating stones are changing your aquarium into a landscape scenery These aquarium stones decorations provide visual interest for you and your fish. Made of safe durable resin, this aquarium decoration is safe for use in both freshwater and saltwater aquariums. The floating rock is attached with a transparent fishing line and two Suckers Bottom of the fish tank, The stone will float easily at any level by adjusting the length of the fishing line. The size measures about: 10*6.5cm/3.9''*2.6''; The floating stone is a nice decor for your aquarium. and make your fish tank special and beautiful. These stones with green simulation moss are floating in the water, attaching by a clear line with suction cups to make the suspension landscape. The suspended stones are eco-friendly to fish.