outsunny 6 x 6 x 6 6 walk in tunnel greenhouse small green house with zippered door and roll up window portable plant hot house with pe cover and steel frame greenExtend the growing season and keep your shovel in the soil this winter with outsunny backyard greenhouse. Mild winters aren't a problem for our outdoor greenhouse. When winter frost brings its wavering temperatures, ensure your plants are protected. Enjoy fresh vegetables, onion, salads, and home grown tomatoes year round. Easy to access and ventilate with roll up doors and window, heat, uv, and humidity are in your hands. Exercise your green thumb