Clear Focus SimplePerf® 70/30 exterior lm—most economical grade, 4.7-mil. black/white composite PVC with approx. 1.4-mm holes and a clear removable acrylic pressure-sensitive adhesive. Offered with an unperforated solid paper liner (SL), a clear PET liner (CL) or Do-ALLiner® (DL). No matter what the project calls for Clear Focus provides a single-source solution to all your window graphics needs. Clear Focus the leader in One Way VisionTM lms.