Extend the growing season with this Outsunny PE Cover Polytunnel Greenhouse. When winter frost brings its wavering temperatures, ensure your plants are protected. With this greenhouse, you can enjoy fresh vegetables, onions, salads and homegrown tomatoes year-round. Easy to access and ventilated, the unit comes with roll-up walls and a hinged door to control heat, UV and humidity. Great for plants to survive the winter, it creates a large space for you to start up seeds and protects plants from fluctuating temperatures. Plus, the high-quality 220gsm PE cover and a reinforcement grid through the middle prevent tearing and protect plants from UV scorching while allowing 85% of nourishing sunlight to pass through. Size: 6.5 x 9.8 x 13ft.