1. Steel frame for easy installation 2. Durable and opaque 3. High reflecting 4. Ventiltation holes 5. No toxic smell Multi-function grow tent for hydroponics/greenhouse/indoor growing size:4'x4'x6.5' Specification:210D/600D canvas make it waterproof and couldn`t rip 100% non toxic grow tents material 100% lightproof 95% reflective rate dimpled metallic material • Tough stitching and heavy duty ...