The Pillow Style Insertion Aeration Planter is a 3D-printed, self-watering planter that helps aerate soil to enhance root health by putting the air right in the soil where the roots are. Measuring 4.75 x 4.5 for small, 5 X 5 for medium, and 6-1/2 X 6-3/4 inches, it features an air pump that delivers 3500 ml of airflow per minute and is powered via USB with an attached cord. The 1/4" hose ensures efficient air distribution. This planter not only serves as a beautiful home decor piece but also promotes plant health and prevents root rot. You can customize your purchase by choosing up to two colors. It makes an excellent gift for any plant lover in your life. Please note that a USB charging block is not included.