1.875-in x 10-ft Vinyl Corner Bead Mud applied, extra tough drywall corners that withstand sever impacts and settling Won’t blister, bubble, or edge crack High strength tapered co-polymer core Corners will not separate from wall or dent Crisp sharp lines without ridges Withstands significant shifting due to lumber drying, settling, humidity and temperature differences Surface paper is perfect for applying paint and textures Conforms to the radius to create a perfectly smooth and rounded corner without the need for glues or staples for installation CertainTeed Vinyl Corner Bead (1.875-in x 10-ft)