Flat Mate Emergency Puncture Repair is quick and easy to use and will "get you going" again fast! No wheel change is necessary, no tools or dismantling required. Seals and inflates your tyre in 90 seconds with no damage to your tyre. Key Features: Suitable for medium tyres between 15 to 16 inches For use on cars, caravans, trailers motorbikes and vans To find out what your wheel diameter is check your tyre side wall - this is the number displayed next to the R on your tyre for example "R15 to R16".