Flip Trolley by Kartell. Kartell brings transparency to the world of trolleys too and thus we have Flip, the folding trolley which combines the transparent plastic surfaces of the trays with a metal frame. The trays made of polymethylmethacrylate and can be used separately. Their lenticular form is the ultimate expression of functionality and design aesthetics. Flip can be used as a trolley perfect for aperitifs and buffets but also comes in handy as a side table. It folds away for easy storage occupying a minimum of space. Flip Trolley by Kartell are designed by Antonio Citterio with Toan Nguyen .