Promotional bags with offset printing

Promotional bags are an essential element of many marketing campaigns. These bags are intended to be used as promotional items, helping companies increase brand awareness and visibility. Offset printing is one of the most popular methods used to produce high-quality advertising bags. In this article, we will present the offset printing process and how it is used in the production of paper advertising bags.

• Making a bag design
• Preparation for printing
• Offset printing
• Refinement of advertising bags
• Forming the shape of the bag
• Packaging and shipping

Offset printing is a printing technique that uses a flat printing plate to transfer ink to a rubber roller, which then transfers the ink to paper. This printing method is widely used in the commercial printing industry because it produces high-quality prints and can accommodate large volumes.

The production of advertising bags using offset printing includes several stages.

Stages of production of advertising bags.

Making a bag design

The first step is to design the bag, including the graphic design and any texts or logos that will be printed on it. The graphic studio creates a bag design, which is then approved by the client. At this stage, the bag handle is also selected, e.g. string or die-cut, and the possible color of the string. Refinements are also planned.

Preparation for printing

The graphic design is transferred to a printing plate, which is usually made of aluminum or polyester. The printing plate is coated with a photosensitive emulsion, which is then exposed to the negative of the design. Areas of the emulsion that are exposed to light harden, while unexposed areas remain soft. The plate is then washed with a developer solution, which removes the unexposed emulsion, leaving a relief image of the design on the plate.

Offset printing

Once the printing plate is prepared, it is mounted printing machine.
The paper from which the bag will be made is then fed through the feed unit and the printing plate transfers the ink to a rubber roller which then transfers the ink to the paper. This process is repeated for each color used in the printing process, with each color printed separately. The result is a high-quality advertising print.

Refinement of advertising bags

Once the bag is printed, it may undergo additional finishing processes such as lamination or hot stamping. The paper is additionally protected by lamination. Laminated bags are recognized as prestigious bags and as exclusive paper bags.

Forming the shape of the bag

Printed sheets go to production line, which makes special incisions and the so-called bigi. As the sheets go through all processes, they are shaped, including bottom shaping and gluing. The string is also inserted at this stage. AWIH, as a manufacturer of advertising bags, performs: bag string finished with a T-lace. This ending protects the handle from breaking off and the entire bag from falling out of your hand.

Packaging and shipping

The finished bags are then checked for quality and packed for shipment to the customer.

In conclusion, offset printing is an excellent method of producing high-quality promotional bags. It offers several advantages, including the ability to produce sharp, accurate prints with vivid colors and accommodate large print runs. If you want to produce advertising bags for your company, consider using offset printing as a professional and economical solution.

Our offer includes ready-made, attractive paper bags in various colors. AWIH uses its own machinery for personalized advertising bags. Are you looking for promotional bags? You already know where to order. Create paper bags at AWIH.

DG

Article author

AWIH Graphic Design Department

Przygotowanie nadruku i materiałów do produkcji

Dział Graficzny AWIH przygotowuje i weryfikuje materiały do nadruku. Wyjaśnia wymagania dotyczące plików, kolorów, wykrojników, spadów oraz możliwości poszczególnych technologii drukowania.

• Przygotowanie plików do druku
• Kolory Pantone i CMYK
• Wykrojniki, spady i grafika wektorowa
• Sitodruk, offset i druk cyfrowy

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