Shop › Advantage 20x20 ft ChromaTex Blue Screen Image 1 of 1 Advantage 20x20 ft ChromaTex Blue Screen Sale Price: $869.13 Original Price: $999.00 Part No: M2020.47 Used as Chroma Key Background. ChromaTex fabric is completely washable with foam backing. Fabric: ChromaTex Blue Screen Approx Light Loss: N/A Weight: 23 lb.