Four-Tier Construction: Each greenhouse comes with 4 shelves, measuring 24.4x17.3inch and holding up to 22lbs. Better still, each shelf is equipped with a patented fixed clip for ultimate stability. Boasting an overall size of 62 "x 27"x 20", the greenhouse covers roomy space for all your blooming flowers, sprouting plants, and fresh vegetablesTough & Durable: Possessed with elector-coating, the tubes are tough, sturdy and rustproof. 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-proofRoll-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 longerToolless Installation: Life should be easy, and so is the greenhouse installation. This mini greenhouse can be assembled or disassembled without any tools required! Easily and conveniently. Plus, you can use it both indoors and outdoors for various seasons and weatherExpect More Uses: The Greenhouse is not just as a greenhouse. Take off the outer cover and use it as a plant stand. It also enables you to set your desired number of shelves to suit your need, especially for the taller plants