Ẹyọ apo eiyan idena bastion jẹ eto ogiri ti ọpọlọpọ-cellular ti a ṣelọpọ lati welded Zinc-Aluminum coated / hot dipped galvanized, steel wire mesh ati ki o darapo pẹlu inaro, awọn isẹpo okun helical.
Awọn ẹya MIL eiyan naa jẹ ila pẹlu iṣẹ-eru ti kii ṣe hun polypropylene geotextile. Hesco idankan / hesco bastion le kun fun iyanrin, ilẹ, simenti, okuta, lẹhinna bi odi aabo tabi bunker ati lilo pupọ ni ologun lati daabobo aabo.