... x2'',3''x3'',4''x4'' collapsible Hesco bastion/blast wall Hesco bastion: Also named as Hesco barriers,sand cage,welded gabion box ... box, stone cage. galvanized hesco bastion,galfan coated hesco bastion,PVC coated hesco bastion. ---Experienced factory in manufacturing hesco. ---U.S Military ... woven geotextile,color can be white,beige-sand color. Hesco bastion / blast wall / hesco barrier / gabion