Biohazard Symbol Vinyl Decal Transfer Sticker. Decals Are Shipped With Medium Tack Transfer Tape Applied If You Prefer A Low Or High Tack Transfer Tape, Let Us Know And We Can Apply One Of Those For You Instead. These Decals Are Made Using Oracal 651 Premium Quality Outdoor Vinyl With A Minimum Life Expectancy Of 6 Years When Installed Correctly. Decals Will Stick To Most Flat And Clean Surfaces. Contact Us If You Don’t See A Color Or Font You Like On Our Available Lists And We’ll See What We Can Do To Fufill Your Request.