<p>A fence post sleeve (300) designed to allow the quick and easy erection of a temporary fencing structure without the use of installation tools. The fence post sleeve (300) is a generally tubular structure having at least two barrier fence clips (400, 500) and a longitudinal slit (380). The fence post sleeve (300) is designed to cooperate with a number of common fence posts (100). The barrier fence clips (400, 500) releasably secure flexible barrier fencing (600) to the fence post sleeve (300), and thus the fence post (100). The fence post sleeve (300) is particularly useful in the installation of construction fencing and other forms of temporary barrier fencing.</p>