Poly Stretch™ is a 6oz medium weight fabric that’s 75% blackout. Bouncy, two-way stretch material that’s wrinkle-resistant and hangs beautifully. 52″ W | Inherently Flame Resistant CALIFORNIA PROPOSITION 65 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov