PT Bags or Pluri Tubular Bags or just Tubular Bags are used as oxide holders in Industrial Tubular plates in Lead acid batteries. PT Bags are made from high quality defect free specially woven industrial fabrics on the latest state of the art rapier looms from ITEMA which gives a beautiful high quality finish to the Tubular Bag with a precise fabric construction made from specially selected multi strand, multifilament, high tenacity polyester yarns.