... and lined with non-woven geotextile , can be filled with sand, earth, cement, stone, then as a defence wall or bunker ... heavy duty non-woven polypropylene . available in either green or sand color. weight of geotextile: 250g/m2Hesco wall size0.6*0 ... ·Long life, about 10 years. ·Can be filled with sand, earth, sand, gravel, crushed rock and other granular materials. Special specifications can be ...