Shipping address labels can be written on with ink pen or permanent marker. Perfect for most shipping and mailing needs. These "Your Order No. Return Requested" shipping labels are made with white high gloss label paper stock and printed with blue ink. The permanent pressure sensitive adhesive backing helps these top quality stickers endure harsh outdoor elements. Labels stay securely attached to un-coated corrugated cartons crates, barrels, and shipping envelopes. Blue 5"x3" labels come on rolls of 500 for easy dispensing, they fit label dispensers or they can store compactly on a shelf out of the way until you need them. Easy peel of liner makes application quick and easy.