Stan's No Tubes, Stan's NoTubes, Race, Pre-mixed sealant, Quart (32oz 946ml)

* Close to twice the amount of sealing crystals plus special "XL" crystals capable of sealing even larger punctures. * Combination of large and small sealing crystals interlock to form a lattice work that not only seals but strengthens and reinforces the area of the puncture allowing for an entirely new level of sealing performance* Must be installed directly into the tire – cannot be injected through the valve