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. A product lines available in different sizes from the DS60 II (60x60x150 cm) to the DS150 (150x150x200 cm).