The mating bond of the Immortals and deities and the blood bond of the demons were the two oldest bonds, unbreakable under the Immortal Code and from the laws older than the Code.
Nevertheless along the whole line some kind of surveillance was established long before the close of 1861, and, in proportion as the number of vessels available increased, the blockade became more and more stringent, until at last it was practically unbreakable at any point save by the fastest steamers working under unusually favourable conditions of wind and weather.
Many families own some unbreakable ornaments for children to put on the Christmas tree and allow only adults to handle the heirlooms.
It is typically fog-resistant and unbreakable, and its suctioned base attaches comfortably to any tile (or glass) surface.
Elegant script at the bottom spells out "Unbreakable" and provides stark contrast to the otherwise outrageous shirt.