This Ryman Address Labels P21 pack contains 525 labels that each 64x38mm each.These universal labels are suitable for use in photocopiers and desktop printers. They can be used with label templates that come with most word processing packages and also with the Avery software. They are ideal for address, barcode and many other label applications and are specially designed to give high definition, crisp results. They are equivalent in size to Avery L7160 / J8160.These P21 Ryman Address Labels are ideal for business users as they give letters, parcels and office files a professional look in seconds and can also be used by students and at home for a variety of labelling purposes.