Discover the joys of year-round gardening in the spacious interior of the Outsunny Polytunnel Greenhouse. This walk-in greenhouse ensures your plants thrive in any weather, featuring a convenient roll-up door and large mesh windows for optimal ventilation. The robust 140 gsm PE cover bathes your greens in 85% sunlight while guarding against UV. Great for every green thumb looking for a spacious garden tunnel to cultivate their garden polytunnel paradise. ● Outward-sloping galvanized steel frame with bracing for stability ● Roll-up door and large windows for access and airflow ● 140 gsm PE cover allows 85% sunlight penetration, resists UV ● Reinforcement grid prevents cover tearing, extends lifespan ● Ground stakes and guy ropes increase wind resistance ● Extended cover improves warmth, blocks weed entry ● Assembly required ● Material: 140 gsm PE, Galvanized Steel ● Overall Dimension: 155.5" L x 118.1" W x 77.6" H ● Door Dimension: 61.4" W x 63" H ● Window Dimension: 105.1" W x 15.7" H ● Edging Width: 5.9" ● Windproof: Level 4 (wind speed below 17.5mph) ● For Assembly: 3-4 people recommended