THE DARK STREET II: LIGHT PROOF, STRONG, FABRIC WITH MYLAR! The DARK STREET II is specially lined with 95% reflective hammered effect mylar fabric (190D), to increase light intensity and improve light distribution. Light-proof, waterproof and pre-equipped for extraction and ventilation, the tents come with equipment bars to support lamps, and carbon filters. Product lines available in different sizes from the DS60 II (60x60x140 cm) to the DS150 (150x150x200 cm).