Kit for signaling and protecting a pedestrian or construction zone. It includes 2 bollards and a red/white round extendable barrier up to 2.35 meters. The bollards have Class 2 reflective stripes and a weighted rubber base. The 6 kg weight of the bollards ensures perfect stability. Slots at 3 different heights in all 4 directions. Bollards made of polypropylene. The barrier can lock at any length. Possibility to add extensions.