This safety and security TensaBarrier post is designed to withstand nature's elements. Constructed of UPVC and mounted on a rugged gray base which can be filled with water (antifreeze recommended for cold climates) or sand for stability. It has all the advanced safety benefits of the TensaBarrier and is available with a 7 1/2' or 13' retractable belt. Dimensions are 37" height, 15" base, 2 1/2" O.D. tube, shipping weight of 4 lbs, weight with water is 19 lbs.