Mylar Interior Reflective Hydroponic Grow Tent - 48x48x78 Brand New 48"x48"x78" (Approx. 4x4x6.5Ft) Upgraded Grow Tent with Improved Reflective Interior Mylar. Exterior Material: heavy duty 210D lightproof oxford cloth; Interior Material: 100% highly reflective waterproof diamond mylar. Designed with exterior zippers so that you can setup and take down in minutes, safety and convenient use. Suitable for use with 400W and 600W grow lights and the larger T5 lights for propagation; Multiple vents to accommodate fans and filter. Ideal you to grow exotic fruits, herbs, vegetables or seasonal fruits out of season. Indoor gardening made easy.