HDPE geocell for retaining wall is for stabilizing highway and railway bed,bearing dike and retaining wall,supporting pipeline HDPE geocell for retaining wall 1.hdpe geocell ... -400, 100-400, 150-400, 200-400, 250-400Applications:1) Retaining walls2) Weirs3) Revetments4) River works5) Coastal defenses6) Soil conservation