Security Bag or Courier Bag may be known by a variety of names, such as plastic bank safety bags. Plastic cash pouch Security bag or security case to prevent tampering. The general characteristics of the Security Bag are similar to plastic post envelope that is a tough, durable plastic envelope with an adhesive strip for sealing. But the specialty of Security Bag, It is similar to that of a plastic postage envelope. It is a tough, durable plastic envelope with an adhesive strip for sealing. But the specialty of this type of envelope has a counterfeit void letter or graphics that will be clearly visible if an envelope is attempted. It is making products or items in the envelope more secure than general plastic envelopes
 
Key Special Features of Security Bag
 

• Prevent physical open hacking with a special adhesive tape that is tough and durable and the adhesive will have special messages, characters or graphics that can show evidence of evidence if the envelope was opened before the hand. 
• Prevent open with cold, If cold is used to harden the adhesive strips and open the envelope. There is a trace on the adhesive strip to show evidence of cold opening attempts. This special glue is also very cold resistant which makes the contents of the envelope very secure. 
• Prevent smuggling with water and solvents. This special security envelope is available if water or solvent is used to stealthily open a special message bag, a fake letter or Void on the adhesive band will be obliterated, indicating that the envelope has been opened before. 
• Prevent illegal open with heat as with the use of cold open the bag, if heat is attempted to open the bag, a red stripe will appear on the adhesive strip to indicate that heat has been applied to open the bag. 

It can be seen that the plastic safety is very safe to use. Help prevent loss as well, thus making plastic security envelopes with Void counterfeit is widely used in many businesses as well, such as banking business, foreign exchange business. Pharmaceuticals and pharmaceutical businesses and other businesses requiring high security. In addition to the plastic security envelope, it can be used to hold cash for transferring or transporting cash to a kiosk ATM as it has been seen commonly Plastic security envelopes can also be used to protect sensitive information such as wills, job applications, contracts, bills, and other important receipts.