“HIGH-TENACITY” TREVIRA containers are constructed from AISI 304 stainless steel vibrating extractor and a self loading pipe for pneumatic and/or mechanical extraction systems. A hot galvanized tubular structure with a big breathable dustproof material reinforced bag and a filtering cover is used during the loading operations for venting and filtering air. Fitted with a square or rectangular base as per storage requirements with storage capacities from 3-60 cubic meters. Optional accessories like inspection window, bladed or induction-type level indicators, weighing systems with visual control and acoustic indicators of the quantity stored, etc can be obtained on request. Cost effectiveness with lower raw material cost as keeps it best condition for use and storage with no condensation and minimum wastage. Tailored storage facilities can be constructed to exploit the storage area in the best possible way, occupying even narrow and unusable spaces.