hesco barriers blast wall 1.wire Dia.3-5mm 2.mesh:2''*2'', ... named as Hesco barrier, Hesco defense wall, Hesco blast wall, sand cage, defense blast wall for military use, wire mesh gabion box, stone ... the Hesco bastion entails unfolding it and fills it with sand, dirt or gravel. The main advantage of Hesco barriers, strongly ...