Drum cap seal: size 2" and 3/4" Sealed Dia 70mm and 35mm, with rubber gasket, thickness: 0.25mm for 200L oil drum used, Drum cap seal: size 2" and 3/4" per pair Sealed Dia 70mm and 35mm, with rubber gasket, thickness: 0.25mm for 200L oil drum used, white color or with logo Drum cap seal for 200L oil drum used