Opaque labels are ideal when you're reusing boxes or sending your customers pre-printed product-return labels. Cover-All design ensures that any pre-existing shipping information will be fully obscured once the new label is placed over the old. Featuring near universal compatibility with all popular label-creation software, it's easy to create quality labels at your desk; and once you have your information entered correctly, simply print your labels on any laser or inkjet printer. Full-sheet format and clean edges ensure smooth, jam-free feeding. Acid- and lignin-free with a permanent-adhesive backing. Full-Sheet Format. Shape: Rectangular; Label Size - text: 8.5 x 11; Label Color(s): White; Color Family: White.