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

Schrader 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