Robust all-season tire with worry-free puncture protection and best lifespan The compound has also been modified for all-year-round use. You'll cover more kilometres on the Grand Prix 4Season and won&';t have to worry about the tire compound hardening and thus the grip performance decreasing. Different widths make it possible to select the right tire for various road qualities and comfort requirements Double Vectran(TM) puncture protection insert Excellent grip and longevity along with robust DuraSkinA(R) side protection 5 plies (3 for casing plus 2 anti-puncture layers)/ total 430 tpi 220-250g 95-120 PSI depending on tire size Made in Germany