steel strapping seals,iron seal.overlap type.it applied for steel packing strap steel strapping seals1, iron seals2,overlap type3,size:strap width :16mm,19mm,25mm32mm seal length:31mm,25mm,28mm,35mm,38mm,45mm51mm,56mm can produce as your request seal thickness:0.4-0.8mm can produce as your requestpacking :box Ellen dong ,,tel:0086-13589689019.