These environmentally friendly Avery address labels are 100% recycled (including the backing sheet) and are suitable for use with most laser printers, with jam free technology for clean, reliable printing. The Avery QuickPEEL feature allows easy application with excellent adhesion. Each white address label measures 63.5 x 38.1mm. This pack contains 100 A4 sheets, with 21 labels per sheet (2100 labels in total).