Slime Tire sealant instantly and repeatedly repairs tread area punctures up to 1/4 inches in diameter using Fibro-Seal Technology. Slime Seals multiple punctures repeatedly up tp 2 years. Slime is Non-toxic, Non-corrosive, Non-flammable, Non-aerosol, Water soluble. Slime Tire sealant instantly and repeatedly repairs tread area punctures (up to 1/4 inch) using Fibro-Seal Technology.