Reusable Nesting Design: The heart shaped bird nesting accessory allows for easy refilling with cotton fibers, providing wild birds with and comfortable nesting supplies repeatedly. & Outdoor Ready: Made with sturdy iron construction, these decorative pieces are ideal for hanging in gardens, patios, balconies, or tree branches for extended outdoor enjoyment. Gentle Cotton Filling: Containing fine cotton fibers, this nesting supply is easy for small birds to gather, helping create a warm and safe nesting space. Ideal Size for Small Birds: Measuring approximately 6.69 × 6.69 × 3.54 inches, the spacious design accommodates various small wild birds collecting nesting supplies. Easy Installation & Decorative: Featuring built in hooks for quick hanging, these bird nest accessories also serve as attractive garden decorations, combining functionality with aesthetic appeal. Great for outdoor bird feeders.