iSi Whipped Cream Maker Gourmet Whip Plus 0.5L RVS The iSi Whipped Cream Maker Gourmet Whip Plus 0.5L RVS is multifunctional. Of course, you can use it for whipped cream, but also for lots of other foods. Think soups, sauces and mousses. For example, use the whipped cream device for white chocolate mousse, vanilla sauce or an asparagus soup. The bottle can be filled with a 0.5-litre liquid.