Car tire 1.excellent gas-tightness 2.long-serving life ... 20,000 pcs/monthInner tube material: natural rubber/butyl rubberProducts: car tire,motorcycle tire,bicycle tire,inner tube,natural rubber tube ... ,butyl rubber tube,tyre,car inner tube,Bicycle inner tube,motorcycle tyre,rubber wheel, ... give you our best offer upon receiving your detail inquiry. 205/55R16 car type