TrueBlock labels have a unique silver backing making them completely opaque. Now you can cover old packaging information including text, logos and torn courier labels and recycle old boxes saving your time and money. Made from FSC certified paper from well-managed forests, not only are they environmentally friendly but they are strong and will stay securely and permanently on your packages. Whether you choose a pre-designed label template or start from scratch with your own design, you can trust our software to deliver smart, stand-out results. With permanent adhesive your labels will stay put to ensure a successful arrival. With labels for envelopes, boxes and parcels, there is a sticker to fit all shapes and sizes that will stay put to ensure a safe arrival. Our TureBlock material with its unique silver backing making it completely opaque. It will also help save time and money as you can label over existing labels without them coming through, reuse the boxes you have. Avery Labels Avery has a vast variety of labels for all your labelling needs. Whether it’s for the office, small business, your home or an event; there is something for all.