Developed with maximum requirements in the composition of raw material, printing and finishing. Our envelopes meet the most diverse needs subdivided into 4 categories of security levels. Each breach device has been developed in-house and extensively tested to meet the needs of all types when transporting sensitive information.

In addition to the different levels, the security envelopes produced by World Post offer many other advantages such as: Impermeability, co-extruded film that makes it impossible to see against the light, greater resistance to tears and punctures. Excellent cost-benefit ratio in replacing cardboard boxes. Use of recyclable and oxy-biodegradable material.

OUR BAGS

Level 1

ECOMMERCE BAG

Bag made of high-density polyethylene plastic with a high-adhesion “Hot Melt” adhesive tape closure system. Also available option of double adhesive, in the flap and in the body according to the need.
Its main applications are in these sectors:

  • Post and carriers
  • Couriers

  • Sending documents and invoices
  • Banks and financial institutions

Level 2

WP SECURITY BAGS

Polyethylene bags with seal closure “red void” denounces the violation “violated / void” in an attempt to open manually or at low temperatures.

Security bag is produced in co-extruded polyethylene, its interior is black and the exterior is white, which makes it impossible for the carrier to identify the contents.

Its main features:

  • Sending Checkbook / Credit Card / Documents
  • With bag to attach invoices, packing list and receipts

  • With yield protocol and to cash security bags
  • Special for double use (with double adhesive).

Level 3

WP SECURITY BAGS

Bag made of polyethylene with a “Green Void” seal that denounces the violation by accusing VIOLATED/VOID on the adhesive stripe for closing and protecting it from attempted manual opening or at low temperatures.

Its main features:

  • Sending Checkbook / Credit Card / Documents
  • With bag to attach invoices, packing list and receipts
  • With yield protocol and to cash security bags
  • Transport of valuables with security stripe

Level 4

WP SECURITY BAGS

Bag made of polyethylene with thermochromic seal “Void Blue” that denounces the violation by accusing VIOLATED/VOID on the adhesive stripe for closing and protecting it from attempted manual opening or at low and high temperatures. Heat resistant adhesive, or attempted tampering with the use of steam.

Its main features:

  • Documents / products
  • With bag to attach invoices, packing list and receipts
  • With yield protocol and to cash security bags
  • Transport of samples with security stripe. With sequential or random numbering and barcode through generated files.

Security bag to protect your products

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POLYBUBBLE / KRAFT

Bubble coated bag

Developed in co-extruded polyethylene with a sealing system on the flap against tampering. Approved by the National Communications Agency – CORREIOS, it is used in the most diverse applications such as: Protection against impact, humidity, reduction of postage costs in relation to the cardboard box.

Its main features:

  • Protection against impact
  • Protection against humidity
  • Reduction of postage costs in relation to the cardboard box
  • Product approved by Correios

TRANSPORTATION OF VALUABLES

Transportation of valuables bag

Product intended for the transport of valuables and confidential documents, whose priority is security and inviolability.

The composite material in this product is the most resistant and most discreet on the market. The co-extruded film of this envelope is made of a few layers of polyethylene and adhesive closure.

Its main features:

  • Customizable
  • Tamper evident bag
  • High resistance
  • Protection against humidity

LABORATORIES

Bag for transportation of biological material

Made of polyethylene or polypropylene, the laboratory plastic bag is custom-made, so you can customize it in the size you want.

The plastic laboratory bag is widely used for the delivery of diagnostic tests, hospitals and for clinical analysis laboratories.

Its main features:

  • Customizable
  • Tamper evident bag
  • High resistance
  • Protection against humidity

AWB

Envelope for Invoice

Developed in polyethylene with a high degree of transparency and resistance. Fully adhesive with three lines of adhesive or more. Usually applied in Packing list attached to boxes, AWB, Bill of Lading, Merchandise identification and etc.

Its main features:

  • Attach invoices
  • Bill of Lading
  • Billing document
  • Merchandise identification

CASH SECURITY BAGS

Cash security bags.

Produced in co-extruded polyethylene in 3 layers, its interior is in black and the exterior is white, which causes the blackout effect, making it impossible for the carrier to identify what is inside.

Its thermo-adhesive closing system called hot melt allows that once the envelope is closed, its opening is only possible after it has been violated, ensuring that the only person who will be able to view the product is really the final recipient.

Its main applications are in these sectors:

  • Ecommerce
  • Post and carriers
  • Courier
  • Banks and financial institutions