Your company can re-use boxes and cartons and still look professional! These full sheet Avery Shipping Labels are completely opaque, thanks to TrueBlock technology | Add your company logo and recipient details to the label using Avery FREE and easy-to-use Design & Print online software. The software also supports mail merge, serial numbers and QR / barcodes for all of your logistical needs | Add your company logo and recipient details to the label using Avery FREE and easy-to-use Design & Print online software. The software also supports mail merge, serial numbers and QR / barcodes for all of your logistical needs | These shipping labels are made with paper from well-managed forests and have special smooth feed edges with strong adhesive that withstands the high heat of laser printers. So together with the Jam-Free reliability means you can expect flawless printing, even in high speed printers and copiers | Trueblock labels feature an opaque silver backing which completely covers up and blocks out existing labels or previous information on parcels or boxes | Jam-Free reliability for trouble free printing, saving time and minimising wastage | Customise your labels with our free and easy-to-use template software | Avery Design and Print - available at averyproducts.com.au/print Ideal for shipping parcels, packages and large gifts | Labels made with paper from sourced from sustainable forests