The cache is a screw top container holding pencils, notebook, sharpener and usual swappable items.
It is a short mountain bike ride or a longer walk to the cache site.
Park car at S 41° 13.775 E 173° 24.139(6km each way) or carry on to the top of the sealed road and go down from there(4km each way).
There are many options mountain biking here. If starting from point suggested try carrying on to the top of saddle and taking the road back to car.