The inflation kit is a formula which you squirt into the tyre and it is meant to seal a puncture.You then have a compressor to blow your tyre back upand it is then meant to get you home. My dad has one in his car and he had a puncture a few weeks ago and he used it and it did not work. It is in my opinion, and my dadsa stupid idea and no replacement for a spare wheel as ithas no guaranteed it willwork. My dads did not. My dad went over a screw and the formula started coming out the hole asif the hole is too big it will not work, this left him stranded and very pi**ed off he nowWILL not bother with it and just will phone breakdown next time as he has a new galaxy and there is nowhere for a spare wheelto be put.