Enhanced Air Exchange: Oxygen enters through the inner container ' s holes and exits via the outer container ' s bottom gaps, maintaining proper circulation to promote robust plant root growth Ideal Plant Containers: Made from strong rigid, these two piece containers feature repotting holes, perfect for enhancing desk and windowsill displays, suitable for both indoor and outdoor use Two Piece Design: The sleek outer container elevates your plant ' s look, while the inner container with holes provides full air circulation and ventilation cones at the base root development Smart Watering structure: Stores for your plant while keeping the inner container elevated over the water stage to root overhydration, with excess liquid draining through side openings Monitor Root Progress: Easily remove the see through inner container to check your plant ' s root condition; the sturdy perforated inner container ensures an optimal growing environment