1.Shilejia frame projection screen 2.Model: Glass beaded,pvc front,pvc rear 3.Using aluminum frame covered with black velvet ... Specification of Shilejia frame projection screen ( PVC rear projector screen , curved projector screen ) :1.Model: ... 150,180,200 etcMain parameter: Frame projection screenSizeScreen surface50"(4:3)PVC FRONT/PVC REAR/ MATTE GREY60"(4:3)72"(4 ...