... :pp 3.length:210mm 4.disposable goods High Security Plastic PP Customs Seal: Product namePlastic sealTemperature10 degrees to 70 degrees ... ,good insulation,not easy to aging,strong tolerance,good flexibility.Applicationscustoms,railway,oil-transportation,foreign trade testing department,and ... ,red,blue,yellow,green,black,and other colorsUsageInsert the seal into the hole of the blank plate,and then ...