Industry Leading DurabilityOur Laminated Vinyl labels are made of 4 mils thick, conformable vinyl. These vinyl labels have a 5-year outdoor , but most labels last longer. Our Flammable Sticker is laminated for enhanced performance against moisture, chemicals, solvents, abrasion and fading. You can easily wipe off dust, dirt or grease and your graphics are protected. Unlike many other labels, our iohazard Infectious Biological Material labels use industry-leading inks and not off-brand or other low-durability inkjet pigments that fade in a year or two. USA's Oldest Label & Sign ManufacturerFamily owned since 1918, we take immense pride in our signage. Being one of the oldest certainly means we know this business in and out. Our South Dakota factory is the oldest manufacturer of labels & signs in the USA. Labels Give a Warning – So You Don't Have ToPersonally warning people is not always the right solution. Say it with labels! iohazard Infectious Biological Material label is the safest and the most effective medium to reach out to maximum people on your property.