Attaches to most railings and fences: This Railing Planter Box hooks onto flat or round bars found on balconies, decks, and garden boundaries without slipping Holds soil and plants off the ground: These Railing Planter keep flowers and herbs at arm level, saving floor space on small patios or walkways Drains excess water during rain: This Fence Planters has openings at the base, roots do not stay soaked after a heavy shower or daily watering Stays balanced when filled with damp soil: These Railing Planter Baskets keep their centre low, reducing the chance of tipping forward or backward Works for trailing greenery and upright stems: This Railing Planter Box suits both plants that hang down and those that grow straight up from the pot