This Premium tent features a strong aluminum frame with sturdy hexagon-shaped legs. Canopy is made of 400 denier polyester. Vented canopy peak allows air to flow through to prevent wind damage. 0.8 mm anodized aluminum frame. ABS glass-filled nylon joints. Hexagon legs for strength. Crank-up canopy creates a taut, clean peak. Legs feature plastic levers for pinch-free height adjustments. Easy-Glide Tent Feet allow the tent frame to slide on dirt and grass, preventing the legs from catching.