Artificial fish tank ornaments are made from premium resin and plastic, , non-toxic and pollution-free Fish Tank Decoration is ideal for various fish tank and safe for fresh and salt water Aquarium Ornament the natural environment feeling. Change your aquarium into a beautiful scenery When the diver floats the treasure chest will open and closes to revealing the treasure inside, more vivid and active Artificial fish tank ornaments are suitable for fresh water, good for your beautiful fish and your shrimp