Black &White flex banner no light penetration, matte and gloss surface available, bright-colored,and high color fastness. Application:Black &White flex banner is ... ,billboard printing,over-sized posters,indoor and outdoor advertisment.Feature:no light penetration.matte and gloss surface available.available for screen ... *300D,300D*500D,500D*500D,500D*1000D,1000D*1000D. Black & White flex banner