Gorgeous Ventilation: With the large zippered door and a Velcro side window, you can keep an eye on your grows at all hours and regulate external airflow to keep the plants warm and provide better air circulation for the germination and flowering period in indoor gardening horticulture, and helps to extend plant growing seasons Highly Reflective: Comes with heavy-duty metal zippers, double stitching and 98%-reflective Mylar lining, blocking light from escaping and retaining heat while with the use of plant grow light inside, letting your plants make high-efficiency use of growing light source to promote the growth Extra-Thick Canvas: Ohuhu 60Ԡ(W) x 60Ԡ(L) x 80Ԡ(H) hydroponics indoor growing tent constructed with heavy-duty 600D oxford cloth, tear proof & waterproof canvas. Keep your plants contained, prevent odors from leaking out, and stop unwanted critters from getting in Easy Assembly: Ohuhu plant tents are easy to install even if you've never done something like this before. Parts come labeled with letters for ease in assembly. No tools needed, just make sure all the rubber feet are going the same direction. The hydroponic growing room is also easy to dissemble for clean-up or relocation Rock-solid Stability: Structured with heavy-duty rust-resistant tubes for extended durability, the Ohuhu Grow Tent is strong enough to hold seed trays, pots and plant growth light, perfect for your plants, herbs, flowers, fruits and vegetables to thrive even in winter