A double-decked small three-dimensional flower bed is a garden feature consisting of a flower bed with two levels, designed to create a visually appealing and space-saving arrangement for plants. These beds are often used in urban gardens, small yards, or balconies to maximize greenery while minimizing space usage. They can be constructed from various materials like wood, concrete, or metal, and are designed to support a variety of plants, including flowers, herbs, and small shrubs.