Initially I thought it looked quite promising, but then I read all their marketing crap and it just made it sound like a scam - not saying it is or is not, but you'd think you'd be extra careful about claims if it's a genuine product.
For example:
Says it covers the 'whole inner tyre' - but then says it doesn't cover the sidewall, and then shows a picture of it covering the sidewall
Says it is suitable for all speeds, then up to 150mph and then says that this speed is 'very rare'
Claims that centrifugal forces do not act on it the same way as for the tyre and thus is doesn't all move to the centre of the tyre - due to 'advanced chemistry' and a unique polymer mix
Claims to protect the car from 'dangerous slow leaks and wheel porosity', only to then say that it protects you from slow punctures by deflating slowly