JWRWEF Stackable Planter, Vertical Garden Planter with Wheels and Tools, Self Watering Strawberry Planter Indoor/Outdoor 6 Tier Herb Planter Pots for Growing Vegetables and Succulents,Gray

EASY MOVE - Comes with four high-weight-bearing wheels. SOIL HOLDING BOARD - Each tier has a board that holds soil while allowing water to drain down. RIGHT SOIL MOISTURE - A small amount of water is kept under the soil holding board to maintain the soil at the right moisture level. BREATHABLE - Multiple drainage holes at the bottom of each planter to drain excess water and ensure good air circulation around the roots. STACK TO YOUR DESIRED HEIGHT - We offer an extra single tier as an add-on, so you can buy with ease. When you need to grow higher, we can always help.