Grolsch Premium Pilsner is now available in a “Coolpack” designed to keep beer cold twice as long as standard multipack beer packaging. The Coolpack, manufactured by Rexam Beverage Can Europe (, holds four 33cL cans of premium beer. Each can is surrounded by an expanded foam sleeve, which provides insulation for optimum performance. The four insulated cans are retailed in a paperboard carrier with graphics that subtly call attention to the new feature.