We offer berriers for many puproses as: parking, crash wall for raceeays indoor and outdoor and as wall for flood catrophic situation as protect. The barriers are plastic and you can adjust then as wood with sawmill. Inside they are hollow and you can fill in to with concrete and to make the each barrier heavier with 8 kg more. Tehy are very good for store. For forwarding we are sending minimum 1 container 20 ft with 300 pieces inside. They are good for frequent handlig manupulation with one person. The product made in central Europe, it is not the reexport form other countries over the world. We are producer with our production, our copyrights.