A ventilation system can be provided by this planter, it will not clog the water which can provide a better growth for plant, so it can offer you a nice planting experience, because it has a drainage hole design. What it can offer you is stackable planters that help save space; and it is easy to move because it comes with wheels. Constructed of plastic material, the plant pot is lightweight and recycled. The diameter of the plant pot is 38cm. It is suitable for balcony, living room, outdoor and so on. Item Name: Plant Pot Material: Plastic Use Form: Floor-standing Features: Non-slip, Ventilated, Anti-rust Size Details: Tray Diameter: 29cm/11.42" (Approx.) Flower Pot Diameter: 38cm/14.96" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Style Black: 5 x Wheel or Style Random Color: 1 x Tray or Style Pink/Beige/Green/Purple/Yellow/Blue/Orange: 1 x Plant Pot