Bags for the transport and storage of bulk goods or liquids

A bag for the transport and storage of bulk goods or liquids formed by the assembly of several double-thickness pieces of fabric, including first and second pieces of fabric, each piece of fabric having two opposite sides, respectively a first side and a second side, extending between first and second folded-in flattened edges,

• wherein each piece of fabric comprises at least one gusset, said gusset being defined by a first oblique section extending between the first folded-in flattened edge and a first gusset end positioned on the second side of the piece of fabric and a second gusset end positioned on the first side of the piece of fabric,
• wherein the first and second pieces of fabric are assembled such that the second side of the second piece of fabric is in contact with or close to the first side of the first piece of fabric and such that the first and second gusset ends of the first and second pieces of fabric are substantially aligned,
• wherein the first and second pieces of fabric are assembled by means of seams formed around or near the first and second gusset ends of the first and second pieces of fabric.