... of galvanized welded mesh and lined with non-woven geotextile,spring with other fittings, can be filled with sand, earth, cement, stone. ... It is easy installed with using minimal manpower and commonly available equipment.After extended,it is filled into sand,stone, ... hot dipped galvanized,galfan coated,PVC coated. Packing: wrapped with shrink film or packed in pallet.Application: Perimeter Security ...