We are DOLOOP*, a leading Northern European PET packaging producer focused on global sustainability solutions. For almost 30 years, we have been working with the beverage and food industry to provide them high quality and innovative packaging solutions. Our regenerative design PET packaging meets our customers’ expectations, satisfies their needs, and helps them address sustainability challenges throughout the all-product life cycle.

We are guided by the three DOLOOP values: respect for each other and the environment, courage to act, and improve every day. Guided by these values, we continuously improve our activity. 100% green energy, zero-waste production, and saving energy and raw materials are solutions we’ve put in place to reduce our environmental footprint.

We are strongly committed to sustainability and the circular economy goals, so we develop regenerative designs PET packaging. We are already providing our clients with 100% recyclable PET packaging solutions made from 100% recycled plastics. This solves the problem of negative footprint throughout the all-product life cycle. In response to our client’s demand, we are continuously investing and expanding our range of packaging products, and today we offer PET packaging solutions in the categories of preforms, bottles, and film.

The quality of DOLOOP products and their compliance with the highest international performance management standards are confirmed by certifications as BRC (highest AA rating), ISO9001, ISO14001, and ISO 45001. Our commitment to sustainability and social responsibility is reinforced by SMETA v6.0 and EcoVadis Gold Medal. Our annual GHG audit is based on the ISO14064 standard. We belong to the international Circular Plastics Alliance and disclose data to the CDP.

Our focus on sustainability, continuous improvement and cooperation with the food and beverage industry beyond commercial interactions has earned us the trust of clients in dozens of European Union and non-European Union countries.

*DOLOOP operated as Putokšnis until 26 November 2021.

Our story

Established in 1994
First PET bottle stretch blow molding line in 1995
First injection molding line in 1997
ISO 9001 certification in 1999
First Husky Index Production System in Eastern Europe and Scandinavia – 2000
ISO14001 certification in 2000
Dosing equipment installation allowing up to 50% of PET flakes dosage – 2012
BRC certification in 2013
Social Responsibility Policy implementation in 2014
Infrastructure modernization and Value Added Partnership program launch in 2015
Investment in the newest preforms injection moulding machine allowing to dose up to 100% of PET pellets and flakes in 2016
Company is starting with new direction and business strategy, moving towards sustainability and circular economy model, amid plastics industry transformation in 2017
Focusing on global sustainability solutions, in 2021 the company launched the DOLOOP brand.


Our production facility is situated in Northern Lithuania – a logistically convenient location, ensuring prompt supply of PET products to customers in Western, Central and Eastern Europe as well as Scandinavia.


Our values:

  • Act bravely
  • Respect oneself and environment
  • Better everyday

Headquarters & Injection Molding (preforms)

Total annual capacity: 2.5 billion PET preforms (2022)
Equipment: 10 HUSKY injection moulding machines + 1 SIPA injection moulding machine
Year of construction: 2005
Total area: 10 162 m2
Land plot: 3.5 ha
Address: Aerouosto str. 35, LT-77103 Siauliai, Lithuania

Stretch-Blow Molding (bottles)

Total annual capacity: 80 million PET bottles
Equipment: 2 SIPA stretch blow moulding machines + 1 NISSEI injection stretch blow molding machine
Address: Aerouosto str. 35, LT-77103 Siauliai, Lithuania

Extrusion (rigid film)

Total annual capacity: up to 8’000 tones PET rigid film
Equipment: 1 LUIGI BANDER twin-screw co-extrusion line
Address: Aerouosto str. 35, LT-77103 Siauliai, Lithuania


  • Own warehousing capabilities
  • Logistics to any European country
  • Sea freight to customers outside Europe
  • Biggest PET resin producers in Europe closer than 150km distance, uninterrupted and safe supply

Membership & Awards

DOLOOP is a prominent member of both PET international community and Lithuania’s business society. The company is a member of the Association of Industrialists in Siauliai, Lithuanian Packaging Association as well as Ciruclar Plastics Alliance. In 2015 the company became a partner of the Lithuanian plastic cluster. DOLOOP team also takes an active part in the work of European PET recycling organizations, including PETCYCLE (Germany) and Žaliasis taškas (Lithuania).

Doloop has been awarded the EcoVadis Gold Medal, recognizing our sustainability achievements!

Doloop is the first SME in Lithuania to set and have an approved near-term SBTi target.

We are also very proud about Doloop CDP score achievement elevating from a C (Awareness) to a B (Management) score ! This advancement underscores our proactive approach to managing and mitigating our environmental impact.