Final answer:
Poly Styrene wore plastic bags as a statement against consumerism and to raise awareness of environmental issues.
Step-by-step explanation:
Poly Styrene, the lead vocalist of the punk band X-Ray Spex, was known for wearing plastic bags as part of her unique fashion style. She used plastic bags as a statement against consumerism and to raise awareness about environmental issues. By wearing plastic bags, Poly Styrene symbolized the excessive use of plastic in our society and the need for more sustainable practices.