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