Sea to Summit Inflatable Roof Racks are the perfect solution for carrying gear on the go.  Pump them up and strap them on to carry kayaks, SUPs and just about anything else up to a load of 50kgs.  When you're not using them, deflate them and they pack away in a neat little bag that will easily fit in the glovebox of your car or under a seat.  Never get stuck without your roof racks again!