Spark-Perf® Drywall Joint Tape is a quality paper tape designed for use with joint compound to reinforce Gypsum board joints and corners prior to painting, texturing or wallpapering. 

Tape is manufactured from a special fibered-paper with added tensile strength to help prevent tearing, wrinkling or stretching
Joint tape is available in three styles: No-Spark, (no perforations), Spark or Slot perforations, which helps to prevent blistering.
Tape is roughed on both sides for superior bonding and holding power.
Tape has precision-matched center-crease for easy and accurate corner applications.