The frame is powder coated aluminum and steel with push button locking on the frame and height adjustments. The heavy 400D polyester top provides 99% UV protection and is water and fire resistant. There are 4 walls included and one of the walls has a zipper in the center for easy access under the canopy.… Continue reading Ozark Trail 10′ x 10′ Instant Straight Leg Canopy 100 Square feet