Secret Jardin Dark Street 60 v4.0 (2' x 2' x 5 1/4')The Secret Jardin dark street now comes with an improved design to boost the growth and yield to the next level. The inner lining of the grow tent comes lined with a highly reflective material (almost 95%). It uses mylar fabric rated at 190D, which is highly reflective and allows proper light distribution to a wider canopy. 95% Reflective Material: The grow cloth is highly reflective, and it spreads light to a wider canopy, so you achieve a healthy