material and safety 6 tier stackable planter made of PP plastic. Drop resistant and eco friendly, with no unpleasant odors to ensure a safe environment for your plants. Innovative fourpetal design Three dimensional flower pots feature a distinctive four petal design. Stackable, foldable and space saving, this set of interconnected pots has a combined soil volume of approximately 30L. Create a stunning vertical garden with ease. Movable base and wheels Large plate base with a universal wheel movable tray. Easily maneuver and position your plants. The sturdy universal wheels provide stability and accommodate medium sized potted plants, enhancing the practicality of your gardening setup. Glossy and sturdy construction Crafted from PP material with a glossy, non grinding surface. Thick and durable pots, featuring a staggered and layered height design to maximize vertical space. Ideal for small areas such as balconies and entry doors.