Got parcels to send in tough conditions? Then you'll need labels that will stick firmly. Whether it's brown paper, a polythene mail bag or a postal tube you need to make sure the label won't peel off on the long journey. Don't worry, just use these White Heavy Duty Labels from Avery . Chances are your mail will be handled a lot over its journey to the recipient. Once these heavy duty labels are stuck down, they won't move - whatever the conditions. These labels are oil and dirt resistant and water and weather proof so even if your postman is delivering on a rainy day the label will remain intact.