Don't get caught in a roadside emergency without a canister of Simply Xtreme tyre Inflator in your boot; be prepared for flat tyres and leaks, and you won't be stuck waiting for help to come to you Specially formulated foam is injected into your tyre to seal Off The puncture while the aerosol inflates the tyre to a serviceable pressure, allowing you to drive to a garage for inspection Easy to use; remove the object which caused the puncture and roll your Wheel so that the tyre Valve is on top; Then you’re ready to attach the connector, spray in the foam, and be on your way Will not damage your Wheel or tyre if used correctly; It will not affect tracking, sensor, or alignment, so you can drive a short distance with confidence. Suitable for use on all tyres up to 18”.