Bestgle Creative Aquarium Ornament Action Undersea Treasure Chest Diver Fish Tank Underwater Decor, Black

Safe for Fish - Made from premium resin and plastic, durable, non-toxic and pollution-free. Absolutely safe for fish. Add Funny for Aquarium - When the diver floats the treasure chest will open and closes to revealing the treasure inside, more vivid and active. Safe for Fresh & Salt Water - Ideal for various fish tank and safe for fresh and salt water, either your freshwater fish or saltwater fish can play with their new toy. Fish Tank Treasure Hunter - Treasure Chest measures approximately 2-1/2"x 2"x 2-1/2" high when open. Diver floats and is approximately 3-1/2" tall. Kindly Note - Requires an air pump (Not Included) & 3/16" tubing (Not Included) and an air valve to control the flow of the air to the chest, then you can adjust the frequency in which the lid opens.