6-Tier Vertical Planter - Each layer has 3 rooms for planting ( 18 rooms in total ), adequate growing space supplied. You can grow vegetable, strawberry, flowers, greens, herbs, veggies and succulent plants, etc. Smart Watering System - Watering the top pot will benefit the tiers below. Take care 18 plants by watering 1 pot, moisture flow through vertically and slowly so you don't need to worry about over watering. Movable Bottom Saucer - Come with a flexible plant caddy with 4 wheels, heavy-duty and durable, allows you to move your potted plants to anywhere you want easily, never mind it's in winter or summer. Stackable Gardening Tower - Made of polypropylene, You can use them as 6 separate plant pots, or you can stack them up to build up a white flower tower ! It's a cool decoration outside your house like door gate, porch, balcony, lawn, patio and so more. Specific Details - Soil Volume: 4.75 Quart for one pot, 28 Quart in total; Height: 6.5" for one pot, 38" for whole set.