Formtec classification labels (LQ-3640) are circular white paper labels. Each pack contains 20 sheets, allowing for a total of 240 labels. Compatible with both laser and inkjet printers, they are great for printing and attaching necessary information neatly at home or in the office. The label diameter is 63mm, and it is a Korean-made product providing stable quality. These are efficient office supplies for environments requiring systematic item management or classification.