Bel-Art Write-On Label Tape Rainbow Multi-Pack; 40yd Length, &sup3;/ in. Width, 3 in. Core (Pack of 6) (F13463-0600) Six tape colors that correspond with familiar hazard color codes to highlight safety information written on the labels Use yellow for chemical reactivity, green for safety labels, blue indicates health hazards, red alerts to flammability; orange indicates a biohazard and white can describe a specific hazard Each roll is 1.9cm (3/4") wide and 36.4cm (40 yards) long with a 7.6cm (3") inner core