"0639822.31""2.31"" Width x 4"" Length250250 / Roll4""Poly shipping labels are perfect for odd-shaped mailing because they conform to curved or uneven surfaces. This special material is also tear-resistant and resistant to oils, fats, blood, alcohol and other solvents. Polypropylene labels are heavily resistant to stress. Weather-resistant, moisture-resistant design allows water immersion for 24 hours and endures 40 degrees for 24 hours. Heat-resistance allows the shipping labels to endure 140 degrees Fahrenheit or 60 degrees Celsius for 24 hours.Alcohol ResistantBlood ResistantDymoFat ResistantHeat ResistantMexicoMoisture ResistantNewell Rubbermaid, IncNoOil ResistantPoly Shipping LabelPolypropyleneRectangleShipping LabelSolvent ResistantTearing ResistantWeather ResistantWhitehttp://www.rubbermaid.com"