The Plastiki 's arrival in Sydney will not , however , be the 60-foot catamaran 's first time to reach Australian soil . Plastiki will make 4-month , 8,000-nautical - mile voyage in Sydney . Ship is made of more than 100 plastic ##s . Expedition leader said he was inspired by a U.N. report on littering .
Plastiki will make 4-month , 8,000-nautical - mile voyage in Sydney . Ship is made of more than 100 plastic ##s . Expedition leader said he was inspired by a U.N. report on littering .