Quick Release 1 Across 12" Perf 4 1/4" Carrier Width 5,000 per Box 45,000 per Case For all adjustable pinfeed printers 350 Q.R. (Quick Release) - Smudge proof, moisture treated face stock with a special permanent adhesive designed for quick stick adhesion to a wide variety of surfaces. A certified release silicone liner designed for both high speed and on-demand peel bar applications. A special machine perf at the fold for uninterrupted label applications.