Wasp 4.0" x 1.0" Direct Thermal labels, 4 rolls, 2300 per roll, 5" ODIntroducing Wasp 4. 0" x 1. 0" Direct Thermal Labels, a cost effective labeling solution designed for high volume workflows. These direct thermal labels are printed without any printer ribbon, which helps reduce consumable costs and simplify your labeling process. The heat sensitive stock produces sharp text, barcodes, and imagery directly onto the label surface, enabling fast, on demand printing for inventory, shipping, product identification, and