Profil autora

Zbigniew Zieliński

AWIH owner and bag and packaging production expert

Owner of AWIH, a company specialising in paper bags, promotional packaging and printed materials. His work covers production technology, material selection, packaging design and optimising paper consumption.

  • Paper bag manufacturing
  • Paper selection and structural design
  • Printing technologies
  • Production costing and optimisation
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PPWR 2026 and UC100 — new obligations for packaging manufacturers from 12 August 2026

Updated: August 14, 2026 PPWR 2026 – what is valid from August 12? Documentation, declaration of conformity, packaging labeling and UC100 From August 12, 2026, the PPWR regulation is applicable in the European Union. For packaging producers and users, this means the beginning of a new phase in packaging design, documentation, traceability and compliance with…

What are courier rebates used for?

What are courier rebates for and how to choose their size? “` Courier flaps, also called courier flaps, courier stickers or foil document envelopes, are a simple but very important element of parcel packaging. Their task is to secure the bill of lading, invoice, transport documents, instructions, guarantees or other documents that should be attached…

Transparent, white or black stretch foil – which one to choose?

Transparent, white or black stretch foil – which one to choose? Stretch foil is one of the most frequently used protections in packing parcels, cartons and pallets. It protects the goods against dirt, moisture, dust, accidental spillage and movement of the load during transport. It is flexible, easy to use and adapts well to the…

All about RBD Expanded Envelopes

RBD expanded envelopes – what are they for and when is it worth choosing them? “` RBD expansion envelopes are practical mailing packaging designed for documents, catalogues, offers, books, brochures and other flat products that have a larger volume than standard correspondence. Unlike a regular envelope, an expanded envelope has additional space for the thickness…

Cellophane bag formats with glue

Cellophane bags with glue – what are they for and what sizes should you choose? “` Cellophane bags with glue are simple, aesthetic and very practical packaging for small products. They are transparent, light, comfortable to use and allow you to present the contents well without opening the package. Thanks to the self-adhesive flap, they…

Dimensions of parcel locker boxes - dimensions A, B, C

Cartons for parcel lockers – dimensions, dimensions A, B, C and practical choice Parcel locker boxes are one of the most frequently used packaging in online sales. E-commerce stores choose them because they protect the product well, are convenient to store and allow you to quickly prepare the shipment for shipment. However, in order for…

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