Topeak dyna wedge waterproof wstrapthis trusty topeak dyna wedge waterproof wstrap will keep your essentials dry in the foulest conditions aerodynamic water repellent and lightweight this saddlebag will safely store your tools tubes gels and such an innovative centre opening position gives quick and easy access this topeak dyna wedge waterproof wstrap will fit neatly under your saddle with topeaks hook and loop straps featuresmaterial 210 denier420 denier nylonwaterprooflightweig