General width has 5.3mm,9.3mm,13.5mm,21.5mm,25.5mm,37.5mm,49.5mm,65.5mm etc Can be seal though heat by seal facility. The long has 300M/R,480M/R,500M/R For PET material We have both antistatic and non-antistatic Exterior appearance has clear and milk-white this picture display antistatic seal cover tape (clear)