Not your basic label. UltraHold permanent adhesive is guaranteed to stick and stay put on cardboard envelopes paper glass or metal. Avery address labels won t lift curl or fall off like other brands. Our TrueBlock technology lets you cover up everything underneath the 3x4 labels so you can reuse boxes and block out markings and mistakes for a polished professional appearance on the bright white labels. This pack of 100 shipping labels is fantastic for high-volume shipping and mailing jobs as well as for creating custom labels for gift tags crafting party favors beer & wine bottles and more. These address labels are optimized for inkjet printers so you can easily print lush colors and crystal clear text without worrying about printer jams or ink smudges. You can also effortlessly personalize your printable labels with logos graphics or images using the free shipping labels template and designs on the Avery site.