Create a vibrant environment in your fish tank. <br> A tank without color is not a happy place for the creatures inside, and obviously green plastic algae balls can add vibrancy to a tank. <br> Green is a soft color that provides a visually healing effect, is highly ornamental, and does not scratch the fish. <br> Best of all, our moss balls are made of plastic and won't wilt, so you don't need to take care of them as often, perfect for busy people. <br> You can put the seaweed balls in your tank, or aquarium, and it will make your tank more beautiful and the fish swim freely. <br> <br> <b>Size:</b> 8cm/3.15in<br> <b>Tips:</b> It is recommended to clean before use.<br> <b>Have a good day.</b>