Abstract: The invention provides a storage bag of flexible sheet material characterized in that it is of generally rectangular configuration comprising a planar base section, opposed generally vertically disposed side wall sections, opposed generally vertically disposed end wall sections and a generally planer roof section. The invention also provides a harness for containing the storage bag within a standardized for transport purposes. The invention further provides a blank for forming the storage bag and a method of folding and joining the blank to form the storage bag.