Xyron Mega Runner Permanent Adhesive Refill Cartridge. The Xyron 0.25" x 100' Mega Runner Permanent Adhesive Refill Cartridge offers an easy drop-in cartridge with 1/4" wide x 100' of acid-free dot-matrix permanent adhesive. Super strong adhesive dots hold aggressively, but have no sling like solid tape runners! Works with the Xyron and Teresa Collins Mega Runners. Comes in 1 per pack. Non-toxic, acid-free, dot-matrix patterned, permanent adhesive.