This railing planter is the ideal choice when gardening in small, outdoor living areas. this versatile containers help you make better use of limited space and add an attractive touch to any deck, porch, patio, or balcony railing. It’s designed exactly like a regular pot, but there’s a notch on the bottom to secure it to your deck or balcony. The planter is made from fade- and weather-resistant food-safe plastic material, and attaches to railings that are 5 inches wide.