Strong and Durable: Qualified nylon net, powder coated and black varnished iron tubes, and robust PE connectors, together make the tennis badminton nets rust-resistant, strong and durable. Suitable for both indoor and outdoor use and easily last for years. Quick to Setup: Quickly assemble the sports net in 3 minutes without any tools. Posts are connected into unit by specialized elastic cords. Bottom posts have slip joints with curved finish. The hooks on the top of posts will ensure the badminton nets be pulled tightly to keep middle from sagging.