__The titles of my paintings are refer to their size. 2020_ means: 20cm x 20cm. 3030_ means: 30cm x 30cm. 5050_ means: 50cm x 50cm. 9090_ means: 90cm x 90cm. etc.
__All the 2020_ and the 3030_ size paintings are made of paper, and all the bigger sizes like 5050_ and 9090_ are made of canvas.