Patio Furniture for Small Outdoor Spaces: Gardenella Sling Collection from Telescope. If your outdoor space needs a shot of color, the Gardenella sling collection from Telescope is an option. It gives you strong, vibrant color choices. The aluminum frame is rust-free and has a powder coated finish. The slings are weather resistant. However, outdoor fabric that sits in the sun and rain will need to be replaced eventually, and these slings are replaceable.