Modular sofa Flick Flack from the Italian company Ditre Italia.
Pillows under the back have a locking mechanism for raising / lowering to give a comfortable position.

The model in the archive has 3 modules:
Right – 180×115 cm.
Central – 140×150 cm.
Left – 140×115 cm.

Seat height 38 cm.
Maximum height 95 cm.