Sideways application provides easier use and promotes higher accuracy. Write or type immediately, with no drying time. No mess, odor, or fax and copy shadow. Wind up mechanism, makes for easy tape adjustment. White tape, non-acid and non-refillable. Sold as a pack of 12. Sideways application. Write or type immediately. No mess or odor. Wind up mechanism. Age: 11+ years/Grade 6+