Four-Tier Cover: 69 * 49 * 155cm Tough & Durable: Made of premium PE, the eco-friendly outer cover with the great light transmission is non-toxic, corrosion resistant, low temperature resistant, waterproof and ultraviolet-proof Roll-up Zippered Door: The Mini Greenhouse is designed with a zippered roll-up door for easy access and optimum air circulation. Screened ventilation helps block out some annoying little animals as well Plant Guardian: Neither freezing-cold winter nor sizzling-hot summer does any good to your plants. And the Ohuhu Portable Greenhouse comes in to shelter your plants from extreme heat or cold. Relatively constant temperature and humidity help plants grow earlier and survive longer Service: if you have any problem, you can contact us.You can use it both indoors and outdoors for various seasons and weather