This Nicholes is made of solid carbonized pinewood, a natural material with no harmful substances. The triangular shape not only increased its weight capacity but it can made each plant pot enjoy the sunshine. Multi-tier it can hold at least 6 potted plants. A great addition to the garden, balcony, yard, and flower shops, as well as a nice gift for moms, and girlfriends. This wood flower stands with high and low designs and evenly slats with hollow designs, good for drainage and ventilation, which is a benefit for plants’ growth. We added wheels at the bottom, so you can easily remove them for outdoor or indoors, garden, patio, greenhouse, etc.