Slimes fibro-seal technology seeks out punctures as they occur to repair flats before you even know they happened. As the Slime-treated tire rotates, centrifugal force pushes the sealant to the tread area to create a layer of protection, repairing punctures as they occur or treating existing punctures. Prevents and repairs flats in tubeless tires caused by punctures up to a quarter-inchNon-flammable, non-toxic and non-aerosolWorks repeatedly, puncture after puncture