Abstract: A cable splice closure comprising a casing and at least one resilient end plug for closing a respective entry/exit port of the casing, the casing being capable of being closed around the said plug to close the closure, the said end plug having at least one opening through which a length of cable or other elongate member is capable of being fed into the interior of the closure, and at least one retention means for retaining the said cable or other elongate member with respect to the plug, the plug being compressed, in use, by closure of the casing such that the said cable or elongate member is held with respect to the plug by compression forces applied to the plug by the said casing.