4mm in thickness x 20 meter in lenght and 7ft in height,these materials are well welded and complete,but have different thickness and meter depend on what you want,the first picture uploaded is 22mtrs by 4mm,also 18mtr x 4mm,14mtrs x 4mm,we also have 3.5mm,4.5mm,5mm,are these are in roll,while,5.5mm,6mm,6.5mm,7mm,are these are in flat sheet,are they are very well welded can't easily break,believe me,