Canadian Packaging

Pot helps spread the word

Canadian Packaging   

Design & Innovation General design packaging RPC Superfos SuperLock

The aim of the new packaging solution was to enhance the brand’s market position

The relaunch of a popular Slovenian chocolate spread in RPC Superfos’s SuperLock® pot has created enhanced on-shelf appeal and contributed to good sales progress.

A chocolate spread in two colors, brown and white, Viki Duo now comes in the multi-award-winning SuperLock® pot in two sizes, 380g and 600g, with a screw lid. Simultaneously, Viki Milk, a new variety in white chocolate with hazelnuts, has been successfully launched.

The aim of the new packaging solution was to enhance the brand’s market position by making Viki stand out from other similar products on shelf, as Branko Rojs, Director of the Slovenian company Petlja, owner of the Viki recipe and trademark, explains:

“We are particularly pleased about the screw lid of the SuperLock® pot, the razor-sharp rendering of the artwork design and the packaging sizes; simply perfect for our chocolate spread. Now our products look much more attractive on shelf. It is still early days, but retail sales are making good progress and the outlook is good.”


The eye-catching artwork for the pots features a cute cartoon character, and thanks to the advanced in-mould labelling technique from RPC Superfos, the graphic detail is rendered to perfection. In addition, a see-through area allows consumers to see the contents.

Viki is now also being exported and the SuperLock® pot provides another significant benefit.

“As the SuperLock® packing is much lighter than glass, it offers considerable advantages in logistics, especially long distance,” says Branko Rojs. “We can use our resources for transporting goods, not heavy packaging.”

Equally important, the pot is strong and durable, making it popular for reuse once its original contents have been consumed. It is suitable for microwave, dishwasher and freezer, and the screw lid enables easy opening and re-closure. The multiple options for reuse at home have also been a topic of many comments on Petlja’s social media, much to the approval of Branko Rojs:

“The packaging is part of our brand image and it is a plus that consumers also find SuperLock® great for household storage. This allows for more sustainable use which we highly appreciate.”

Branko Rojs says that the cooperation with RPC Superfos has been an upbeat experience – a global packaging provider with a local feel: “Our business relationship with RPC Superfos is very good and we appreciate the fact that we can speak our local language with our contact person there.”

The Viki Duo chocolate spread has been on the Slovenian and Croatian markets for more than 30 years. Both the famous one in two colors and the new white spread are produced and filled by Vitaminka in Macedonia, the largest food producer in the region.


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