These are no ordinary bicycle tubes! These extra strong inner tubes stop flats for 2 years because there is Slime inside. Slime Tube Sealant seeks out and instantly seals punctures in your tubes up to 1/8" (3mm) using Fibro-Seal Technology Designed specifically to stop tube ...These are no ordinary bicycle tubes! These extra strong inner tubes stop flats for 2 years because there is Slime inside. Slime Tube Sealant seeks out and instantly seals punctures in your tubes up to 1/8" (3mm) using Fibro-Seal Technology Designed specifically to stop tube punctures from ruining your ride and keep you going Presta Valve tube, that installs like any traditional inner tube and full instructions inside every pack Environmentally friendly.
Non-toxic, non-corrosive and non-hazardous, Non-flammable, Water soluble These are no ordinary bicycle tubes! These extra strong inner tubes stop flats because there is Slime inside. Slime inside tube means that they are Extra strong because there's Slime inside, they Instantly seals tread area punctures up to 1/8 (3mm) in size, and they can seal multiple punctures repeatedly. The Slime is Non-toxic and non-flammable and cleans up with water!