Vertical Elevated Garden BedBasic Structure: Our vertical garden bed has five tiers plant boxes, each bottom of the box has two drainage hole, which can prevent plants or flowers from rot or over drying. The garden bed has 4 wheels, so you could move it indoor or outdoor as you want. Sturdy and Durable: The frame of vertical garden planter is completely mental which means good quality. The planter boxes are made of 100% Polypropylene, which are environmental and durable. They