Only 2 oz. of sealant is needed for most bicycle tires\n 16 oz. of sealant can convert up to 8 tires\n Stan\'s NoTubes Tire Sealant will stay liquid in a mountain bike tire with a thin casing for 2 - 7 mo. on average\n Riding in arid climates or storing the bike in a hot area will require more frequent monitoring of sealant levels