Konboye, 30, sources his material mostly from dump sites, landfills and river banks.
Back in his studio he disinfects and washes his findings before cutting them up and pasting them on a board to create a face on each one.
Some customers come to his studio with photographs which he will use to create a personalized portrait.
Flip-flops are the footwear of choice for many Nigerians.
What started as an assignment in college in 2017, has become a full time job for Konboye, whose studio in the city of Abeokuta in the southwest state of Ogun now trains aspiring artists who want to follow in his footsteps and create flip-flop portraits.
Nigeria produces at least 2.5 million tons of plastic waste annually, according to government figures, with some of it finding its way into the ocean and rivers.
