PUF stands for PolyUrethane Foam!
During the Covid-19 pandemic, Paris from Really? Team experimented with polyurethane foam and spray paint to create a new type of 3D/Relief Street Art.
The outcome of this experimentation is the PUF (!) Lion Head Mural, created in the backyard of the DPSD of the University of the Aegean.
More info: youtube.com