Bericap develops push-pull sports cap with whistle
Bericap’s new push-pull (PP) sports cap with integrated whistle is helping manufacturers to attract attention amongst kids.
Developed between Bericap and Kofola, the 28-millimeter closure has reportedly boosted sales in Eastern Europe.
The reusable whistle closure does not require any modification of the customer’s capping line; but cannot be used for an aseptic line, unless after irradiation.

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