With ventilated double-roof polycarbonate top, patio gazebo provide safety while allowing wind to pass through. Hardtop gazebos can tolerate summer temperature, block 99% harmful rays UV, and allow sunlight to filter though; FADE RESISTANT-all-weather use. 4 pillars designed by triangle structure and welded T-frames by bolt connections make the gazebo more stable and durable. The gazebo features a sturdy steel construction powder coating, to resist scratching, peeling, corrosion and rust buildup. Long-lasting for years to come. Fully enclosed zippered double layer sidewall protect you from UV rays while adding privacy. Hardtop gazebo canopy with a double track system allows you to slide each layer easily. 2-tier side canopies, inner zippered netting keeps annoying insects out while the outer curtains adds privacy. Color: Black.