Simply erase writing once you are ready to update your label Strong and durable - perfect for identifying plastic storage containers, cardboard boxes and files. Permanent adhesive ensures labels stick and stay without lifting or curling. Works on a variety of surfaces including paper, plastic, glass, metal and vinyl. Handwrite only on 4in. x 6in. sheets. Not designed for use with printers. Avery Identification & Color-Coding Labels part of a large selection of office supplies. Avery (R) Permanent Erasable Multipurpose Labels, 5/8in. x 2 5/8in., White, Pack Of 80 is one of many Permanent ID Labels available through Office Depot. Made by Avery.