Usongs Co2 Nano Glass Diffuser For Plant Aquarium Fish Tank Made of high quality material Practical and convenient to use Suitable for fish bowl and fish tank Reusable and easy to keep clean Come with 1 random color usongs brand 8.8 x 8cm home decor magnetic butterfly. 1 usongs brand random color giraffe style ballpoint pen . and using a Cardboard Box in packing for good protecting the product