Bel-art write-on label tape 134810050, 15 yards x 1/2″w, 1″ core, yellow, 6/pk adheres to any clean surface, including ptfe fluoropolymer resin coated materials, and peels off without leaving a sticky residue. Pencil, ball-point pen or solvent ink marker remain legible under the most demanding laboratory conditions. Consists of colored paper with rubber resin adhesive that resists moisture and most solvents. The tape will withstand a maximum temperature of 157c (315f) for 30 minutes or 80c (176f) for 24 hours and can be used down to -80c (-112f). Withstands a steam autoclaving cycle at 121c (250f) and gamma irradiation between 13.0 and 45.0kgy. Excellent for use with write-on multi-roll label tape dispensers (f13472-0000 and f13473-0000). note: sold in inner pack quantity includes 6 rolls, priced per each pack.