... dia. 3-5mm Hole: 2''x2'',3''x3'',4''x4'' Hesco size:0.61x0.61m,2.13x2.21m White,green,&beige ... -sand color Hesco Concertainer,also known as hesco barrier, hesco bastion, hesco sand gabion.Material: low carbon iron steel ... existing structuresFlood control retaining wallCoastal erosionProtection engineering of seaside area Hesco Concertainer