Make sure your packages get where they re supposed to go with these Avery shipping labels. TrueBlock Technology completely covers everything underneath. The adhesive sticks to more tough surfaces ensuring your label doesn t fall off your package. It s easy to create custom labels with logos barcodes and more with free templates at avery.com/templates. The 8-1/2 x 11 sheets are made using wood sourced from a certified managed forest and are laster printer compatible. There are 1 000 white 2 x 4 labels in each pack.