Durable labels with removable adhesive deliver custom-printed look to any outdoor application. Sturdy, durable polyester material is made to withstand harsh environments. TrueBlock technology on the rectangular labels allows the labels to completely cover everything underneath so you can re-use file folders again and again. Customize using Avery's free online templates and designs. Patented Easy Peel feature makes label application quick and easy. Simply bend the label sheet back, peel and return the sheet to a flat position. Letter-size sheets of labels are compatible with laser and inkjet printers.