Quictent Upgraded 12x7x7 Ft Portable Greenhouse Large Walk-in

2 Independent Mesh Zipper Doors& 10 Exhaust Vents. 2 Doors on each side of the 10′ x 20′ large greenhouse, one mesh door to keep the small animals out and ventilate on hot days; one PE cover door to keep warm. 2 Doors have independent zippers, convenient to use each door according to your need, and increase the greenhouse’s functional quality. 10 exhaust vents (8 on the upper part of sides, 2 on doors) for cross ventilation and venting. 7 Rows of Crossbars. 3 Rows of crossbars on the top of the 10′ x 20′ large greenhouse, completely round structure, can prevent the snow and water from accumulating. Also, the ground frame, using the U-type stakes, will effectively grip the ground and reduce the wind obstruction. Windows with All-sided Velcro. All-sided Velcro on the windows can make the large greenhouse air-locked and keep the inner temperature in winter, and all 10 windows have gauze mesh to keep animals out when venting. Reinforced Mesh PE Cover. Heavy-duty 2 layers PE cover with reinforcement mesh molded into it. 100% waterproof, greenhouse cover can get 85% of the sunlight through, at the same time it can prevent ultraviolet rays, won’t make plant burned.