pop up gazebo is made of 150D polyester, water and UV-resistant, UPF 80 , blocks 95% of UV rays. The frame is made of high-quality powder coated steel tube, very strong and durable. Top canopy features 4 wind-proof poles, which keep the gazebo more stable and sturdy. 4 zippered mesh sidewalls help you block out the sun in summer day. 4 LED lights inside the gazebo are powered by solar energy. You will have a good night party with the lights.